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Clinical Trial of a Supporter-Targeted Intervention to Improve Outcomes in Recent Sexual Assault Survivors

Improving Social Support Quality Among Survivors Seeking Acute Post-Rape Care: Testing a Supporter-Targeted Intervention

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05345405
Acronym
CARE
Enrollment
128
Registered
2022-04-25
Start date
2022-05-18
Completion date
2024-07-04
Last updated
2025-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Helping Behavior, Help-Seeking Behavior, Relationship, Social, Sexual Assault, Sexual Violence, Social Interaction, Stress, Stress Disorders, Post-Traumatic

Brief summary

Communication and Recovery Enhancement (CARE) is a 2-session early intervention for survivors of recent sexual assault and their supporters that aims to improve supporters' ability to respond effectively. The goal of this pilot trial is to understand the acceptability and preliminary efficacy of two versions of CARE: a version in which survivors and supporters attend both sessions together (dyadic CARE) and a version in which supporters attend sessions alone (supporter-only CARE). Survivors aged 14+ with elevated posttraumatic stress symptoms will enroll with a supporter of their choosing. Dyads will be randomized to dyadic CARE, supporter-only CARE, or waitlist control, and will complete self-report assessments at baseline, post-session-1, and follow-ups (1, 2, and 3 months post-baseline). Results will be used to inform future changes to CARE and determine whether a fully-powered randomized controlled trial is warranted.

Interventions

BEHAVIORALDyadic CARE

Dyadic CARE involves two telehealth sessions with a clinician, the survivor, and a supporter of the survivor's choice. Session content uses cognitive-behavioral strategies (e.g., encouraging non-avoidance) to encourage communication and improve supporters' responses in trauma-related conversations. Between sessions, both the survivor and the supporter are instructed to review session content and have guided discussions with the assistance of a workbook.

BEHAVIORALSupporter-Only CARE

Supporter-only CARE involves two telehealth sessions with a clinician and a supporter of the survivor's choice, without the survivor present. Session content uses cognitive-behavioral strategies (e.g., encouraging non-avoidance) to encourage communication and improve supporters' responses in trauma-related conversations. Between sessions, both the survivor and the supporter are instructed to review session content and have guided discussions with the assistance of a workbook.

Sponsors

University of Washington
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
14 Years to No maximum
Healthy volunteers
No

Inclusion criteria

(Survivors): * Age 14+ years * Can speak/read English or Spanish * Have access to a Zoom-capable device * Screened for eligibility within 10 weeks of sexual assault, defined as any unwanted, distressing sexual contact (e.g., unwanted touching, coerced sexual activity, rape) * Able to attend first study session within 2 weeks of screening * Elevated PTSD symptoms at screening as operationalized by a Primary Care PTSD Screen score of 2/5 or above * Able to identify an eligible supporter * Have a way to receive survey links and complete surveys privately (i.e., without potential device or account access by the supporter) Inclusion Criteria (Supporters): * Age 14+ years * Can speak/read English or Spanish * Have access to a Zoom-capable device * Able to attend first study session within 2 weeks of survivor's screening * Are in contact with the survivor at least once a week * In the opinion of the survivor, are able to make an independent decision about whether or not to participate in the study * Have a way to receive survey links and complete surveys privately (i.e., without potential device or account access by the survivor)

Exclusion criteria

(Survivors): * Active psychosis * Active suicidal intent

Design outcomes

Primary

MeasureTime frameDescription
Change in Survivor Stress at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Stress subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater stress.
Survivor Provisional PTSD Diagnostic Status at 3 Months Post-baseline (Self Report)3 monthsProvisional PTSD diagnostic status based on PTSD Checklist-5 (PCL-5), completed by survivor in reference to past month. Survivors will be considered to have a provisional diagnosis if the following items are rated as 2 = Moderately or higher: one Criterion B item (questions 1-5), one Criterion C item (questions 6-7), two Criterion D items (questions 8-14), and two Criterion E items (questions 15-20).
Change in Survivor PTSD Symptom Severity at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on PTSD Checklist-5 (PCL-5), completed by survivor in reference to past month. Range: 0-80; higher scores indicate greater severity of PTSD symptoms.
Change in Supporter Responsiveness at 1 Month Post-baseline (Informant Report)Baseline & 1 monthSum score on the Responsiveness subscale of the Perceived Responsiveness and Insensitivity scale, completed by survivor in reference to past month. Range: 0 to 40; higher scores indicate greater responsiveness.
Supporter Subtly Unsupportive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)1 monthSum score on Unsupportive Acknowledgment subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 24; higher scores indicate more frequent subtly unsupportive reactions.
Supporter Overt Hostile Reactions to Disclosure at 1 Month Post-baseline (Informant Report)1 monthSum score on Turning Against subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 24; higher scores indicate more frequent hostile negative reactions.
Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Self Report)1 monthSingle item representing frequency of disclosures to supporter in past month, completed by survivor, adapted from the Early Intervention Clinic Disclosure scale. Survivor will input a numerical response representing number of disclosures. Higher scores indicate more frequent disclosure.
Change in Supporter Confusion About Helping Behavior at 1 Month Post-baseline (Self Report)Baseline, 1 monthSum score on the Confusion subscale of the Impact on Friends scale, completed by supporter. Range: 6 to 30; higher scores indicate greater confusion about helping behavior.
Change in Survivor Confusion About Help-seeking Behavior at 1 Month Post-baseline (Self Report)Baseline, 1 monthSum score on 4-item measure created for this study, completed by survivor. Range: 4 to 20; higher scores indicate greater confusion.
Change in Supporter Knowledge at 1 Month Post-baseline (Self Report)Baseline, 1 monthSum score on a knowledge questionnaire reflecting CARE concepts, completed by the supporter. Range: 9 to 45; higher scores indicate more knowledge about CARE concepts.
Change in Survivor Knowledge at 1 Month Post-baseline (Self Report)Baseline, 1 monthSum score on a knowledge questionnaire reflecting CARE concepts, completed by the survivor. Range: 8 to 40; higher scores indicate more knowledge about CARE concepts.
Supporter Satisfaction With Intervention at 1 Month Post-baseline (Self Report)1 monthSum score on Client Satisfaction Scale, completed by supporter. Range: 8 to 32; higher scores indicate greater satisfaction
Survivor Satisfaction With Intervention at 1 Month Post-baseline (Self Report)1 monthSum score on Client Satisfaction Scale, completed by survivor. Range: 8 to 32; higher scores indicate greater satisfaction
Change in Supporter Perceived Relationship Quality at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Relationship Assessment Scale, completed by supporter. Range: 7 to 35; higher scores indicate greater relationship quality.
Change in Survivor Perceived Relationship Quality at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Relationship Assessment Scale, completed by survivor. Range: 7 to 35; higher scores indicate greater relationship quality.
Change in Supporter Stress at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Stress subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater stress.

Secondary

MeasureTime frameDescription
Supporter Perceived Helping Ineffectiveness at 1 Month Post-baseline (Self Report)1 monthSum score on the Confusion subscale of the Impact on Friends measure, completed by supporter in reference to the past month. Range: 6 to 30; higher scores indicate greater perceived ineffectiveness.
Supporter Distress in Helping at 1 Month Post-baseline (Self Report)1 monthSum score on the Emotional Distress subscale of the Impact on Friends measure, completed by supporter in reference to the past month. Range: 24 to 120; higher scores indicate greater distress.
Supporter Accommodation of Survivor PTSD Symptoms at 1 Month Post-baseline (Self Report)1 monthSum score on the Significant Others' Responses to Trauma Scale (SORTS), completed by supporter in reference to the past month. Range: 0 to 112; higher scores indicate greater accommodation.
Change in Survivor Cannabis Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of cannabis use in past 2 weeks, as reported by survivor. Range: 0 to 14.
Change in Survivor Prescription Opioid Misuse Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of prescription opioid use not as prescribed in past 2 weeks, as reported by survivor. Range: 0 to 14.
Survivor Willingness to Participate in Criminal Justice Process at 1 Month Post-baseline (Self Report)1 monthSum score score on measure created for this study, completed by survivor. Range: 0 to 10; higher scores indicate greater willingness.
Survivor Participation in Criminal Justice Process at 1 Month Post-baseline (Self Report)1 monthMean score on measure created for this study, completed by survivor. Range: 0 to 1; higher scores indicate greater participation.
Change in Survivor Depression at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Depression subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater depression.
Change in Supporter Depression at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Depression subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater depression.
Change in Survivor Anxiety at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Anxiety subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater anxiety.
Change in Supporter Anxiety at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on the Anxiety subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater anxiety.
Change in Survivor Role Impairment at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on Work/School/Responsibility Impairment subscale of the Behavioral Activation for Depression Scale (BADS), completed by survivor in reference to past week. Range: 0 to 30; higher scores indicate more impairment.
Change in Survivor Social Impairment at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on Social Impairment subscale of the Behavioral Activation for Depression Scale (BADS), completed by survivor in reference to past week. Range: 0 to 30; higher scores indicate more impairment.
Change in Survivor Flourishing at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on Flourishing Index Measure, completed by survivor. Range: 0 to 120; higher scores indicate more flourishing.
Change in Supporter Flourishing at 3 Months Post-baseline (Self Report)Baseline, 3 monthsSum score on Flourishing Index Measure, completed by supporter. Range: 0 to 120; higher scores indicate more flourishing.
Survivor Distress Associated With Supporter Negative Reactions at 1 Month Post-baseline (Self Report)1 monthMean score on ratings of distress associated endorsed items on Negative Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions to survivor in past month. Range: 0 to 3; higher scores indicate more distress.
Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)1 monthSum score on Positive Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 16; higher scores indicate more frequent positive reactions.
Change in Survivor Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinks per week in past month reported by survivor on the Daily Drinking Questionnaire
Change in Survivor Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinking days per week in past month reported by survivor on the Daily Drinking Questionnaire. Range: 0 to 7.
Change in Survivor Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinking hours per week in past month reported by survivor on the Daily Drinking Questionnaire.
Change in Survivor Non-prescription Opioid Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of non-prescription opioid use in past 2 weeks, as reported by survivor. Range: 0 to 14.
Change in Survivor Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of prescription amphetamine use not as prescribed in past 2 weeks, as reported by survivor. Range: 0 to 14.
Change in Survivor Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of methamphetamine use in past 2 weeks, as reported by survivor. Range: 0 to 14.
Change in Survivor Cigarette Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of cigarette use in past 2 weeks, as reported by survivor. Range: 0 to 14.
Change in Survivor Cigarette Use Quantity at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of cigarettes smoked in a typical day in past 2 weeks, as reported by survivor.

Other

MeasureTime frameDescription
Supporter Negative Reactions to Disclosure at 1 Month Post-baseline (Self Report)1 monthSum score on Negative Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by supporter in reference to supporter's reactions to survivor in past month. Range: 0 to 48; higher scores indicate more frequent negative reactions.
Change in Supporter Cigarette Use Quantity at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of cigarettes smoked in a typical day in past 2 weeks, as reported by supporter.
Change in Supporter Cigarette Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of cigarette use in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of methamphetamine use in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of prescription amphetamine use not as prescribed in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Non-prescription Opioid Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of non-prescription opioid use in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Prescription Opioid Misuse Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of prescription opioid use not as prescribed in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Cannabis Use Frequency at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of days of cannabis use in past 2 weeks, as reported by supporter. Range: 0 to 14.
Change in Supporter Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinking hours per week in past month reported by supporter on the Daily Drinking Questionnaire.
Change in Supporter Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinking days per week in past month reported by supporter on the Daily Drinking Questionnaire. Range: 0 to 7.
Change in Supporter Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)Baseline, 3 monthsNumber of typical drinks per week in past month reported by supporter on the Daily Drinking Questionnaire. Range: 0 to 7.
Supporter Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)1 monthSum score on survey created for this study, completed by supporter. Range: 4 to 20; higher scores indicate greater perceived impact of intervention.
Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Informant Report)1 monthSingle item representing frequency of survivor's disclosures to supporter in past month, completed by supporter, adapted from the Early Intervention Clinic Disclosure Scale. Participants were instructed to enter a numerical value corresponding to number of disclosures. Higher scores indicate more frequent disclosure.
Survivor Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)1 monthSum score on survey created for this study, completed by survivor. Range: 4 to 20; higher scores indicate greater perceived impact of intervention.
Supporter Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)1 monthSum score on survey created for this study, completed by survivor. Range: 4 to 16; higher scores indicate greater perceived cultural responsiveness of intervention.
Survivor Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)1 monthSum score on survey created for this study, completed by survivor. Range: 4 to 16; higher scores indicate greater perceived cultural responsiveness of intervention.
Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Self Report)1 monthSum score on Positive Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by supporter in reference to supporter's reactions to survivor in past month. Range: 0 to 16; higher scores indicate more frequent positive reactions.

Countries

United States

Participant flow

Participants by arm

ArmCount
Dyadic CARE (Survivors)
Survivors randomized to receive dyadic CARE (both dyad members attended both sessions and completed a workbook together)
21
Supporter-Only CARE (Survivors)
Survivors randomized to receive supporter-only CARE (only the supporter attended both sessions; the dyad completed a workbook together)
22
Waitlist Control (Survivors)
Survivors randomized to receive waitlist CARE (invited to complete the CARE version of their choice following the completion of study measures)
21
Dyadic CARE (Supporters)
Supporters randomized to receive dyadic CARE (both dyad members attended both sessions and completed a workbook together)
21
Supporter-Only CARE (Supporters)
Supporters randomized to receive supporter-only CARE (only the supporter attended both sessions; the dyad completed a workbook together)
22
Waitlist Control (Supporters)
Supporters randomized to receive waitlist CARE (invited to complete the CARE version of the survivor's choice following the completion of study measures)
21
Total128

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyDid not meet eligibility criteria020
Overall StudyLost to Follow-up001
Overall StudyWithdrawal by Subject200

Baseline characteristics

CharacteristicWaitlist Control (Supporters)TotalDyadic CARE (Survivors)Supporter-Only CARE (Survivors)Waitlist Control (Survivors)Dyadic CARE (Supporters)Supporter-Only CARE (Supporters)
Age, Continuous30.80 Years
STANDARD_DEVIATION 11.87
29.33 Years
STANDARD_DEVIATION 11.69
26.48 Years
STANDARD_DEVIATION 9.56
23.24 Years
STANDARD_DEVIATION 6.07
25.52 Years
STANDARD_DEVIATION 9.32
32.48 Years
STANDARD_DEVIATION 10.75
37.52 Years
STANDARD_DEVIATION 15.38
Ethnicity (NIH/OMB)
Hispanic or Latino
18 Participants66 Participants4 Participants5 Participants4 Participants17 Participants18 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants60 Participants17 Participants16 Participants17 Participants4 Participants3 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants1 Participants0 Participants1 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
4 Participants30 Participants5 Participants6 Participants4 Participants5 Participants6 Participants
Race (NIH/OMB)
Black or African American
1 Participants4 Participants1 Participants0 Participants0 Participants2 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants14 Participants5 Participants3 Participants3 Participants2 Participants1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants18 Participants3 Participants3 Participants2 Participants3 Participants4 Participants
Race (NIH/OMB)
White
13 Participants59 Participants7 Participants8 Participants12 Participants9 Participants10 Participants
Sex: Female, Male
Female
16 Participants102 Participants19 Participants18 Participants20 Participants13 Participants16 Participants
Sex: Female, Male
Male
5 Participants23 Participants1 Participants3 Participants1 Participants8 Participants5 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
0 / 210 / 210 / 210 / 210 / 210 / 21
other
Total, other adverse events
0 / 210 / 210 / 210 / 210 / 210 / 21
serious
Total, serious adverse events
0 / 210 / 210 / 210 / 210 / 210 / 21

Outcome results

Primary

Change in Supporter Confusion About Helping Behavior at 1 Month Post-baseline (Self Report)

Sum score on the Confusion subscale of the Impact on Friends scale, completed by supporter. Range: 6 to 30; higher scores indicate greater confusion about helping behavior.

Time frame: Baseline, 1 month

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Confusion About Helping Behavior at 1 Month Post-baseline (Self Report)-4.35 score on a scaleStandard Deviation 3.88
Supporter-Only CARE (Survivors)Change in Supporter Confusion About Helping Behavior at 1 Month Post-baseline (Self Report)-3.70 score on a scaleStandard Deviation 3.42
Waitlist Control (Survivors)Change in Supporter Confusion About Helping Behavior at 1 Month Post-baseline (Self Report)-1.85 score on a scaleStandard Deviation 3.23
Primary

Change in Supporter Knowledge at 1 Month Post-baseline (Self Report)

Sum score on a knowledge questionnaire reflecting CARE concepts, completed by the supporter. Range: 9 to 45; higher scores indicate more knowledge about CARE concepts.

Time frame: Baseline, 1 month

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Knowledge at 1 Month Post-baseline (Self Report)4.61 PointsStandard Deviation 2.93
Supporter-Only CARE (Survivors)Change in Supporter Knowledge at 1 Month Post-baseline (Self Report)4.84 PointsStandard Deviation 3.55
Waitlist Control (Survivors)Change in Supporter Knowledge at 1 Month Post-baseline (Self Report)0.33 PointsStandard Deviation 2.54
Primary

Change in Supporter Perceived Relationship Quality at 3 Months Post-baseline (Self Report)

Sum score on the Relationship Assessment Scale, completed by supporter. Range: 7 to 35; higher scores indicate greater relationship quality.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Perceived Relationship Quality at 3 Months Post-baseline (Self Report)0.35 score on a scaleStandard Deviation 3.94
Supporter-Only CARE (Survivors)Change in Supporter Perceived Relationship Quality at 3 Months Post-baseline (Self Report)0.39 score on a scaleStandard Deviation 2
Waitlist Control (Survivors)Change in Supporter Perceived Relationship Quality at 3 Months Post-baseline (Self Report)-2.10 score on a scaleStandard Deviation 4.33
Primary

Change in Supporter Responsiveness at 1 Month Post-baseline (Informant Report)

Sum score on the Responsiveness subscale of the Perceived Responsiveness and Insensitivity scale, completed by survivor in reference to past month. Range: 0 to 40; higher scores indicate greater responsiveness.

Time frame: Baseline & 1 month

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Responsiveness at 1 Month Post-baseline (Informant Report)-2.21 score on a scaleStandard Deviation 5.9
Supporter-Only CARE (Survivors)Change in Supporter Responsiveness at 1 Month Post-baseline (Informant Report)-0.10 score on a scaleStandard Deviation 7.49
Waitlist Control (Survivors)Change in Supporter Responsiveness at 1 Month Post-baseline (Informant Report)0.14 score on a scaleStandard Deviation 8.24
Primary

Change in Supporter Stress at 3 Months Post-baseline (Self Report)

Sum score on the Stress subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater stress.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Stress at 3 Months Post-baseline (Self Report)-2.15 score on a scaleStandard Deviation 3.3
Supporter-Only CARE (Survivors)Change in Supporter Stress at 3 Months Post-baseline (Self Report)-1.22 score on a scaleStandard Deviation 3.32
Waitlist Control (Survivors)Change in Supporter Stress at 3 Months Post-baseline (Self Report)-0.65 score on a scaleStandard Deviation 3.07
Primary

Change in Survivor Confusion About Help-seeking Behavior at 1 Month Post-baseline (Self Report)

Sum score on 4-item measure created for this study, completed by survivor. Range: 4 to 20; higher scores indicate greater confusion.

Time frame: Baseline, 1 month

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Confusion About Help-seeking Behavior at 1 Month Post-baseline (Self Report)-2.21 score on a scaleStandard Deviation 4.04
Supporter-Only CARE (Survivors)Change in Survivor Confusion About Help-seeking Behavior at 1 Month Post-baseline (Self Report)-1.14 score on a scaleStandard Deviation 3.64
Waitlist Control (Survivors)Change in Survivor Confusion About Help-seeking Behavior at 1 Month Post-baseline (Self Report)0.86 score on a scaleStandard Deviation 4.5
Primary

Change in Survivor Knowledge at 1 Month Post-baseline (Self Report)

Sum score on a knowledge questionnaire reflecting CARE concepts, completed by the survivor. Range: 8 to 40; higher scores indicate more knowledge about CARE concepts.

Time frame: Baseline, 1 month

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Knowledge at 1 Month Post-baseline (Self Report)3.24 score on a scaleStandard Deviation 3.7
Supporter-Only CARE (Survivors)Change in Survivor Knowledge at 1 Month Post-baseline (Self Report)0.20 score on a scaleStandard Deviation 3.47
Waitlist Control (Survivors)Change in Survivor Knowledge at 1 Month Post-baseline (Self Report)0.61 score on a scaleStandard Deviation 4.75
Primary

Change in Survivor Perceived Relationship Quality at 3 Months Post-baseline (Self Report)

Sum score on the Relationship Assessment Scale, completed by survivor. Range: 7 to 35; higher scores indicate greater relationship quality.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Perceived Relationship Quality at 3 Months Post-baseline (Self Report)-0.39 score on a scaleStandard Deviation 2.5
Supporter-Only CARE (Survivors)Change in Survivor Perceived Relationship Quality at 3 Months Post-baseline (Self Report)-1.60 score on a scaleStandard Deviation 4.45
Waitlist Control (Survivors)Change in Survivor Perceived Relationship Quality at 3 Months Post-baseline (Self Report)-1.76 score on a scaleStandard Deviation 4.12
Primary

Change in Survivor PTSD Symptom Severity at 3 Months Post-baseline (Self Report)

Sum score on PTSD Checklist-5 (PCL-5), completed by survivor in reference to past month. Range: 0-80; higher scores indicate greater severity of PTSD symptoms.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor PTSD Symptom Severity at 3 Months Post-baseline (Self Report)-12.12 score on a scaleStandard Deviation 17.54
Supporter-Only CARE (Survivors)Change in Survivor PTSD Symptom Severity at 3 Months Post-baseline (Self Report)-16.58 score on a scaleStandard Deviation 13.32
Waitlist Control (Survivors)Change in Survivor PTSD Symptom Severity at 3 Months Post-baseline (Self Report)-16.25 score on a scaleStandard Deviation 13.32
Primary

Change in Survivor Stress at 3 Months Post-baseline (Self Report)

Sum score on the Stress subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater stress.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Stress at 3 Months Post-baseline (Self Report)-1.66 score on a scaleStandard Deviation 5.39
Supporter-Only CARE (Survivors)Change in Survivor Stress at 3 Months Post-baseline (Self Report)-2.42 score on a scaleStandard Deviation 3.56
Waitlist Control (Survivors)Change in Survivor Stress at 3 Months Post-baseline (Self Report)-1.38 score on a scaleStandard Deviation 3.58
Primary

Supporter Overt Hostile Reactions to Disclosure at 1 Month Post-baseline (Informant Report)

Sum score on Turning Against subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 24; higher scores indicate more frequent hostile negative reactions.

Time frame: 1 month

Population: Only assessed among survivors reporting past-month disclosure to the supporter

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Overt Hostile Reactions to Disclosure at 1 Month Post-baseline (Informant Report)1.41 score on a scaleStandard Error 0.53
Supporter-Only CARE (Survivors)Supporter Overt Hostile Reactions to Disclosure at 1 Month Post-baseline (Informant Report)2.96 score on a scaleStandard Error 0.49
Waitlist Control (Survivors)Supporter Overt Hostile Reactions to Disclosure at 1 Month Post-baseline (Informant Report)2.49 score on a scaleStandard Error 0.5
Primary

Supporter Satisfaction With Intervention at 1 Month Post-baseline (Self Report)

Sum score on Client Satisfaction Scale, completed by supporter. Range: 8 to 32; higher scores indicate greater satisfaction

Time frame: 1 month

Population: 2 participants did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Satisfaction With Intervention at 1 Month Post-baseline (Self Report)29.79 score on a scaleStandard Deviation 2.65
Supporter-Only CARE (Survivors)Supporter Satisfaction With Intervention at 1 Month Post-baseline (Self Report)29.60 score on a scaleStandard Deviation 2.28
Primary

Supporter Subtly Unsupportive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)

Sum score on Unsupportive Acknowledgment subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 24; higher scores indicate more frequent subtly unsupportive reactions.

Time frame: 1 month

Population: Only assessed among survivors reporting past-month disclosure to the supporter

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Subtly Unsupportive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)2.04 score on a scaleStandard Error 0.57
Supporter-Only CARE (Survivors)Supporter Subtly Unsupportive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)2.23 score on a scaleStandard Error 0.52
Waitlist Control (Survivors)Supporter Subtly Unsupportive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)3.34 score on a scaleStandard Error 0.54
Primary

Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Self Report)

Single item representing frequency of disclosures to supporter in past month, completed by survivor, adapted from the Early Intervention Clinic Disclosure scale. Survivor will input a numerical response representing number of disclosures. Higher scores indicate more frequent disclosure.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Self Report)2.67 number of disclosuresStandard Error 0.21
Supporter-Only CARE (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Self Report)3.02 number of disclosuresStandard Error 0.21
Waitlist Control (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Self Report)2.66 number of disclosuresStandard Error 0.21
Primary

Survivor Provisional PTSD Diagnostic Status at 3 Months Post-baseline (Self Report)

Provisional PTSD diagnostic status based on PTSD Checklist-5 (PCL-5), completed by survivor in reference to past month. Survivors will be considered to have a provisional diagnosis if the following items are rated as 2 = Moderately or higher: one Criterion B item (questions 1-5), one Criterion C item (questions 6-7), two Criterion D items (questions 8-14), and two Criterion E items (questions 15-20).

Time frame: 3 months

Population: Participants were excluded if they did not complete the scale at 3 months post baseline

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Dyadic CARE (Survivors)Survivor Provisional PTSD Diagnostic Status at 3 Months Post-baseline (Self Report)8 Participants
Supporter-Only CARE (Survivors)Survivor Provisional PTSD Diagnostic Status at 3 Months Post-baseline (Self Report)5 Participants
Waitlist Control (Survivors)Survivor Provisional PTSD Diagnostic Status at 3 Months Post-baseline (Self Report)9 Participants
Primary

Survivor Satisfaction With Intervention at 1 Month Post-baseline (Self Report)

Sum score on Client Satisfaction Scale, completed by survivor. Range: 8 to 32; higher scores indicate greater satisfaction

Time frame: 1 month

Population: 2 participants did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Satisfaction With Intervention at 1 Month Post-baseline (Self Report)28.37 score on a scaleStandard Deviation 3.39
Supporter-Only CARE (Survivors)Survivor Satisfaction With Intervention at 1 Month Post-baseline (Self Report)27.71 score on a scaleStandard Deviation 3.51
Secondary

Change in Supporter Anxiety at 3 Months Post-baseline (Self Report)

Sum score on the Anxiety subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater anxiety.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Anxiety at 3 Months Post-baseline (Self Report)0.33 score on a scaleStandard Deviation 1.53
Supporter-Only CARE (Survivors)Change in Supporter Anxiety at 3 Months Post-baseline (Self Report)1.00 score on a scaleStandard Deviation 2.51
Waitlist Control (Survivors)Change in Supporter Anxiety at 3 Months Post-baseline (Self Report)0.33 score on a scaleStandard Deviation 1.53
Secondary

Change in Supporter Depression at 3 Months Post-baseline (Self Report)

Sum score on the Depression subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by supporter in reference to past week. Range: 0 to 21; higher scores indicate greater depression.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Depression at 3 Months Post-baseline (Self Report)-0.80 score on a scaleStandard Deviation 2.88
Supporter-Only CARE (Survivors)Change in Supporter Depression at 3 Months Post-baseline (Self Report)-0.72 score on a scaleStandard Deviation 2.02
Waitlist Control (Survivors)Change in Supporter Depression at 3 Months Post-baseline (Self Report)0.44 score on a scaleStandard Deviation 4.05
Secondary

Change in Supporter Flourishing at 3 Months Post-baseline (Self Report)

Sum score on Flourishing Index Measure, completed by supporter. Range: 0 to 120; higher scores indicate more flourishing.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Flourishing at 3 Months Post-baseline (Self Report)1.65 score on a scaleStandard Deviation 10.39
Supporter-Only CARE (Survivors)Change in Supporter Flourishing at 3 Months Post-baseline (Self Report)5.22 score on a scaleStandard Deviation 9.52
Waitlist Control (Survivors)Change in Supporter Flourishing at 3 Months Post-baseline (Self Report)-7.33 score on a scaleStandard Deviation 17.39
Secondary

Change in Survivor Anxiety at 3 Months Post-baseline (Self Report)

Sum score on the Anxiety subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater anxiety.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Anxiety at 3 Months Post-baseline (Self Report)-1.53 score on a scaleStandard Deviation 4.5
Supporter-Only CARE (Survivors)Change in Survivor Anxiety at 3 Months Post-baseline (Self Report)-1.50 score on a scaleStandard Deviation 3.22
Waitlist Control (Survivors)Change in Survivor Anxiety at 3 Months Post-baseline (Self Report)-2.10 score on a scaleStandard Deviation 5.4
Secondary

Change in Survivor Cannabis Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of cannabis use in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Cannabis Use Frequency at 3 Months Post-baseline (Self Report)-0.11 DaysStandard Deviation 1.79
Supporter-Only CARE (Survivors)Change in Survivor Cannabis Use Frequency at 3 Months Post-baseline (Self Report)0.63 DaysStandard Deviation 2.39
Waitlist Control (Survivors)Change in Survivor Cannabis Use Frequency at 3 Months Post-baseline (Self Report)-1.62 DaysStandard Deviation 2.91
Secondary

Change in Survivor Cigarette Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of cigarette use in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Cigarette Use Frequency at 3 Months Post-baseline (Self Report)-0.05 DaysStandard Deviation 0.23
Supporter-Only CARE (Survivors)Change in Survivor Cigarette Use Frequency at 3 Months Post-baseline (Self Report)-0.16 DaysStandard Deviation 0.37
Waitlist Control (Survivors)Change in Survivor Cigarette Use Frequency at 3 Months Post-baseline (Self Report)-0.10 DaysStandard Deviation 0.44
Secondary

Change in Survivor Cigarette Use Quantity at 3 Months Post-baseline (Self Report)

Number of cigarettes smoked in a typical day in past 2 weeks, as reported by survivor.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Cigarette Use Quantity at 3 Months Post-baseline (Self Report)-0.01 Cigarettes Per DayStandard Deviation 0.05
Supporter-Only CARE (Survivors)Change in Survivor Cigarette Use Quantity at 3 Months Post-baseline (Self Report)-1.05 Cigarettes Per DayStandard Deviation 3.36
Waitlist Control (Survivors)Change in Survivor Cigarette Use Quantity at 3 Months Post-baseline (Self Report)-0.62 Cigarettes Per DayStandard Deviation 2.62
Secondary

Change in Survivor Depression at 3 Months Post-baseline (Self Report)

Sum score on the Depression subscale of the Depression and Anxiety Stress Scales (DASS-21), completed by survivor in reference to past week. Range: 0 to 21; higher scores indicate greater depression.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Depression at 3 Months Post-baseline (Self Report)-1.58 score on a scaleStandard Deviation 6.15
Supporter-Only CARE (Survivors)Change in Survivor Depression at 3 Months Post-baseline (Self Report)-3.00 score on a scaleStandard Deviation 3.15
Waitlist Control (Survivors)Change in Survivor Depression at 3 Months Post-baseline (Self Report)-2.52 score on a scaleStandard Deviation 4.57
Secondary

Change in Survivor Flourishing at 3 Months Post-baseline (Self Report)

Sum score on Flourishing Index Measure, completed by survivor. Range: 0 to 120; higher scores indicate more flourishing.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Flourishing at 3 Months Post-baseline (Self Report)0.21 score on a scaleStandard Deviation 16.7
Supporter-Only CARE (Survivors)Change in Survivor Flourishing at 3 Months Post-baseline (Self Report)2.89 score on a scaleStandard Deviation 12.43
Waitlist Control (Survivors)Change in Survivor Flourishing at 3 Months Post-baseline (Self Report)-2.90 score on a scaleStandard Deviation 13.43
Secondary

Change in Survivor Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of methamphetamine use in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)0.16 DaysStandard Deviation 0.69
Supporter-Only CARE (Survivors)Change in Survivor Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)0.29 DaysStandard Deviation 1.31
Waitlist Control (Survivors)Change in Survivor Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)-0.19 DaysStandard Deviation 0.87
Secondary

Change in Survivor Non-prescription Opioid Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of non-prescription opioid use in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Analyses could not be performed because no participants reported non-prescription opioid use.

Secondary

Change in Survivor Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)

Number of days of prescription amphetamine use not as prescribed in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)0.11 DaysStandard Deviation 0.46
Supporter-Only CARE (Survivors)Change in Survivor Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)-0.05 DaysStandard Deviation 0.23
Waitlist Control (Survivors)Change in Survivor Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)0.24 DaysStandard Deviation 1.09
Secondary

Change in Survivor Prescription Opioid Misuse Frequency at 3 Months Post-baseline (Self Report)

Number of days of prescription opioid use not as prescribed in past 2 weeks, as reported by survivor. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Analyses could not be performed because no participants reported opioid use.

Secondary

Change in Survivor Role Impairment at 3 Months Post-baseline (Self Report)

Sum score on Work/School/Responsibility Impairment subscale of the Behavioral Activation for Depression Scale (BADS), completed by survivor in reference to past week. Range: 0 to 30; higher scores indicate more impairment.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Role Impairment at 3 Months Post-baseline (Self Report)-2.95 score on a scaleStandard Deviation 6.97
Supporter-Only CARE (Survivors)Change in Survivor Role Impairment at 3 Months Post-baseline (Self Report)-3.75 score on a scaleStandard Deviation 5.82
Waitlist Control (Survivors)Change in Survivor Role Impairment at 3 Months Post-baseline (Self Report)-4.00 score on a scaleStandard Deviation 5.02
Secondary

Change in Survivor Social Impairment at 3 Months Post-baseline (Self Report)

Sum score on Social Impairment subscale of the Behavioral Activation for Depression Scale (BADS), completed by survivor in reference to past week. Range: 0 to 30; higher scores indicate more impairment.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Social Impairment at 3 Months Post-baseline (Self Report)-3.21 score on a scaleStandard Deviation 6.6
Supporter-Only CARE (Survivors)Change in Survivor Social Impairment at 3 Months Post-baseline (Self Report)-0.40 score on a scaleStandard Deviation 7.71
Waitlist Control (Survivors)Change in Survivor Social Impairment at 3 Months Post-baseline (Self Report)-1.57 score on a scaleStandard Deviation 7.72
Secondary

Change in Survivor Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)

Number of typical drinking days per week in past month reported by survivor on the Daily Drinking Questionnaire. Range: 0 to 7.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)0.32 days per weekStandard Deviation 1.6
Supporter-Only CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)-0.40 days per weekStandard Deviation 0.99
Waitlist Control (Survivors)Change in Survivor Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)0.25 days per weekStandard Deviation 1.65
Secondary

Change in Survivor Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)

Number of typical drinking hours per week in past month reported by survivor on the Daily Drinking Questionnaire.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)1.32 hours per weekStandard Deviation 7.45
Supporter-Only CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)-0.79 hours per weekStandard Deviation 3.87
Waitlist Control (Survivors)Change in Survivor Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)-1.95 hours per weekStandard Deviation 8.51
Secondary

Change in Survivor Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)

Number of typical drinks per week in past month reported by survivor on the Daily Drinking Questionnaire

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)0.58 drinks per weekStandard Deviation 5.96
Supporter-Only CARE (Survivors)Change in Survivor Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)-1.80 drinks per weekStandard Deviation 2.89
Waitlist Control (Survivors)Change in Survivor Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)-0.25 drinks per weekStandard Deviation 9.3
Secondary

Supporter Accommodation of Survivor PTSD Symptoms at 1 Month Post-baseline (Self Report)

Sum score on the Significant Others' Responses to Trauma Scale (SORTS), completed by supporter in reference to the past month. Range: 0 to 112; higher scores indicate greater accommodation.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Accommodation of Survivor PTSD Symptoms at 1 Month Post-baseline (Self Report)12.78 score on a scaleStandard Error 2.96
Supporter-Only CARE (Survivors)Supporter Accommodation of Survivor PTSD Symptoms at 1 Month Post-baseline (Self Report)8.64 score on a scaleStandard Error 2.95
Waitlist Control (Survivors)Supporter Accommodation of Survivor PTSD Symptoms at 1 Month Post-baseline (Self Report)17.66 score on a scaleStandard Error 2.01
Secondary

Supporter Distress in Helping at 1 Month Post-baseline (Self Report)

Sum score on the Emotional Distress subscale of the Impact on Friends measure, completed by supporter in reference to the past month. Range: 24 to 120; higher scores indicate greater distress.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Distress in Helping at 1 Month Post-baseline (Self Report)53.59 score on a scaleStandard Error 2.82
Supporter-Only CARE (Survivors)Supporter Distress in Helping at 1 Month Post-baseline (Self Report)55.99 score on a scaleStandard Error 2.8
Waitlist Control (Survivors)Supporter Distress in Helping at 1 Month Post-baseline (Self Report)61.57 score on a scaleStandard Error 2.83
Secondary

Supporter Perceived Helping Ineffectiveness at 1 Month Post-baseline (Self Report)

Sum score on the Confusion subscale of the Impact on Friends measure, completed by supporter in reference to the past month. Range: 6 to 30; higher scores indicate greater perceived ineffectiveness.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Perceived Helping Ineffectiveness at 1 Month Post-baseline (Self Report)12.13 score on a scaleStandard Error 0.91
Supporter-Only CARE (Survivors)Supporter Perceived Helping Ineffectiveness at 1 Month Post-baseline (Self Report)12.78 score on a scaleStandard Error 0.9
Waitlist Control (Survivors)Supporter Perceived Helping Ineffectiveness at 1 Month Post-baseline (Self Report)14.57 score on a scaleStandard Error 0.91
Secondary

Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)

Sum score on Positive Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions in past month. Range: 0 to 16; higher scores indicate more frequent positive reactions.

Time frame: 1 month

Population: Only assessed among survivors reporting past-month disclosure to the supporter

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)8.56 score on a scaleStandard Error 1.02
Supporter-Only CARE (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)9.53 score on a scaleStandard Error 0.85
Waitlist Control (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Informant Report)8.56 score on a scaleStandard Error 1.02
Secondary

Survivor Distress Associated With Supporter Negative Reactions at 1 Month Post-baseline (Self Report)

Mean score on ratings of distress associated endorsed items on Negative Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by survivor in reference to supporter's reactions to survivor in past month. Range: 0 to 3; higher scores indicate more distress.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Distress Associated With Supporter Negative Reactions at 1 Month Post-baseline (Self Report)1.28 score on a scaleStandard Error 0.28
Supporter-Only CARE (Survivors)Survivor Distress Associated With Supporter Negative Reactions at 1 Month Post-baseline (Self Report)1.50 score on a scaleStandard Error 0.24
Waitlist Control (Survivors)Survivor Distress Associated With Supporter Negative Reactions at 1 Month Post-baseline (Self Report)1.37 score on a scaleStandard Error 0.23
Secondary

Survivor Participation in Criminal Justice Process at 1 Month Post-baseline (Self Report)

Mean score on measure created for this study, completed by survivor. Range: 0 to 1; higher scores indicate greater participation.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Participation in Criminal Justice Process at 1 Month Post-baseline (Self Report)0.64 score on a scaleStandard Error 0.07
Supporter-Only CARE (Survivors)Survivor Participation in Criminal Justice Process at 1 Month Post-baseline (Self Report)0.49 score on a scaleStandard Error 0.07
Waitlist Control (Survivors)Survivor Participation in Criminal Justice Process at 1 Month Post-baseline (Self Report)0.52 score on a scaleStandard Error 0.07
Secondary

Survivor Willingness to Participate in Criminal Justice Process at 1 Month Post-baseline (Self Report)

Sum score score on measure created for this study, completed by survivor. Range: 0 to 10; higher scores indicate greater willingness.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Willingness to Participate in Criminal Justice Process at 1 Month Post-baseline (Self Report)-0.21 score on a scaleStandard Deviation 1.69
Supporter-Only CARE (Survivors)Survivor Willingness to Participate in Criminal Justice Process at 1 Month Post-baseline (Self Report)0.57 score on a scaleStandard Deviation 1.99
Waitlist Control (Survivors)Survivor Willingness to Participate in Criminal Justice Process at 1 Month Post-baseline (Self Report)-0.19 score on a scaleStandard Deviation 1.33
Other Pre-specified

Change in Supporter Cannabis Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of cannabis use in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Cannabis Use Frequency at 3 Months Post-baseline (Self Report)0.45 DaysStandard Deviation 1.88
Supporter-Only CARE (Survivors)Change in Supporter Cannabis Use Frequency at 3 Months Post-baseline (Self Report)-0.11 DaysStandard Deviation 0.32
Waitlist Control (Survivors)Change in Supporter Cannabis Use Frequency at 3 Months Post-baseline (Self Report)-0.85 DaysStandard Deviation 3.56
Other Pre-specified

Change in Supporter Cigarette Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of cigarette use in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments. It was not possible to compute change scores for the Supporter-only condition because no participants reported cigarette use.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Cigarette Use Frequency at 3 Months Post-baseline (Self Report)-0.10 DaysStandard Deviation 0.31
Waitlist Control (Survivors)Change in Supporter Cigarette Use Frequency at 3 Months Post-baseline (Self Report)-0.15 DaysStandard Deviation 2.37
Other Pre-specified

Change in Supporter Cigarette Use Quantity at 3 Months Post-baseline (Self Report)

Number of cigarettes smoked in a typical day in past 2 weeks, as reported by supporter.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments. It was not possible to compute change scores for the Supporter-only condition because no participants reported cigarette use.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Cigarette Use Quantity at 3 Months Post-baseline (Self Report)-0.05 Cigarettes Per DayStandard Deviation 0.22
Waitlist Control (Survivors)Change in Supporter Cigarette Use Quantity at 3 Months Post-baseline (Self Report)-0.18 Cigarettes Per DayStandard Deviation 1.16
Other Pre-specified

Change in Supporter Methamphetamine Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of methamphetamine use in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: It was not possible to compute change scores because no participants reported methamphetamine use at any assessment

Other Pre-specified

Change in Supporter Non-prescription Opioid Use Frequency at 3 Months Post-baseline (Self Report)

Number of days of non-prescription opioid use in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: It was not possible to compute change scores because no participants reported non-prescription opioid use at any assessment

Other Pre-specified

Change in Supporter Prescription Amphetamine Misuse Frequency at 3 Months Post-baseline (Self Report)

Number of days of prescription amphetamine use not as prescribed in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: It was not possible to compute change scores because amphetamine use was very low base rate

Other Pre-specified

Change in Supporter Prescription Opioid Misuse Frequency at 3 Months Post-baseline (Self Report)

Number of days of prescription opioid use not as prescribed in past 2 weeks, as reported by supporter. Range: 0 to 14.

Time frame: Baseline, 3 months

Population: It was not possible to compute change scores because no participants reported prescription opioid use at any assessment

Other Pre-specified

Change in Supporter Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)

Number of typical drinking days per week in past month reported by supporter on the Daily Drinking Questionnaire. Range: 0 to 7.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)0.05 Days Per WeekStandard Deviation 0.83
Supporter-Only CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)-0.22 Days Per WeekStandard Deviation 0.69
Waitlist Control (Survivors)Change in Supporter Typical Alcohol Consumption (Frequency) at 3 Months Post-baseline (Self Report)-0.21 Days Per WeekStandard Deviation 1.32
Other Pre-specified

Change in Supporter Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)

Number of typical drinking hours per week in past month reported by supporter on the Daily Drinking Questionnaire.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)2.30 Hours Per WeekStandard Deviation 8.9
Supporter-Only CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)-0.89 Hours Per WeekStandard Deviation 2.03
Waitlist Control (Survivors)Change in Supporter Typical Alcohol Consumption (Hours) at 3 Months Post-baseline (Self Report)-1.26 Hours Per WeekStandard Deviation 7.09
Other Pre-specified

Change in Supporter Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)

Number of typical drinks per week in past month reported by supporter on the Daily Drinking Questionnaire. Range: 0 to 7.

Time frame: Baseline, 3 months

Population: Because this is a change score, participants were excluded listwise if they had missing data at one or both assessments.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)0.25 Drinks Per WeekStandard Deviation 2.59
Supporter-Only CARE (Survivors)Change in Supporter Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)-0.78 Drinks Per WeekStandard Deviation 1.48
Waitlist Control (Survivors)Change in Supporter Typical Alcohol Consumption (Quantity) at 3 Months Post-baseline (Self Report)-1.87 Drinks Per WeekStandard Deviation 5.99
Other Pre-specified

Supporter Negative Reactions to Disclosure at 1 Month Post-baseline (Self Report)

Sum score on Negative Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by supporter in reference to supporter's reactions to survivor in past month. Range: 0 to 48; higher scores indicate more frequent negative reactions.

Time frame: 1 month

Population: Only assessed among supporters reporting past-month receipt of disclosure from the survivor

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Negative Reactions to Disclosure at 1 Month Post-baseline (Self Report)2.22 score on a scaleStandard Deviation 3.12
Supporter-Only CARE (Survivors)Supporter Negative Reactions to Disclosure at 1 Month Post-baseline (Self Report)1.79 score on a scaleStandard Deviation 2.2
Waitlist Control (Survivors)Supporter Negative Reactions to Disclosure at 1 Month Post-baseline (Self Report)4.19 score on a scaleStandard Deviation 3.62
Other Pre-specified

Supporter Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)

Sum score on survey created for this study, completed by survivor. Range: 4 to 16; higher scores indicate greater perceived cultural responsiveness of intervention.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)10.35 score on a scaleStandard Deviation 1.84
Supporter-Only CARE (Survivors)Supporter Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)10.45 score on a scaleStandard Deviation 1.76
Other Pre-specified

Supporter Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)

Sum score on survey created for this study, completed by supporter. Range: 4 to 20; higher scores indicate greater perceived impact of intervention.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)16.80 score on a scaleStandard Deviation 2.53
Supporter-Only CARE (Survivors)Supporter Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)16.60 score on a scaleStandard Deviation 2.19
Other Pre-specified

Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Self Report)

Sum score on Positive Reactions subscale of the Social Reactions Questionnaire - Shortened, completed by supporter in reference to supporter's reactions to survivor in past month. Range: 0 to 16; higher scores indicate more frequent positive reactions.

Time frame: 1 month

Population: Only assessed among supporters reporting past-month receipt of disclosure from the survivor

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Self Report)8.56 score on a scaleStandard Error 0.63
Supporter-Only CARE (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Self Report)8.74 score on a scaleStandard Error 0.69
Waitlist Control (Survivors)Supporter Positive Reactions to Disclosure at 1 Month Post-baseline (Self Report)9.36 score on a scaleStandard Error 0.99
Other Pre-specified

Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Informant Report)

Single item representing frequency of survivor's disclosures to supporter in past month, completed by supporter, adapted from the Early Intervention Clinic Disclosure Scale. Participants were instructed to enter a numerical value corresponding to number of disclosures. Higher scores indicate more frequent disclosure.

Time frame: 1 month

Population: Participants were excluded if they did not complete this item.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Informant Report)2.56 disclosuresStandard Error 0.21
Supporter-Only CARE (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Informant Report)2.70 disclosuresStandard Error 0.21
Waitlist Control (Survivors)Survivor Disclosure Frequency to Supporter at 1 Month Post-baseline (Informant Report)2.02 disclosuresStandard Error 0.2
Other Pre-specified

Survivor Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)

Sum score on survey created for this study, completed by survivor. Range: 4 to 16; higher scores indicate greater perceived cultural responsiveness of intervention.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)9.84 score on a scaleStandard Deviation 1.74
Supporter-Only CARE (Survivors)Survivor Perceived Cultural Responsiveness of Intervention at 1 Month Post-baseline (Self Report)10.19 score on a scaleStandard Deviation 1.99
Other Pre-specified

Survivor Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)

Sum score on survey created for this study, completed by survivor. Range: 4 to 20; higher scores indicate greater perceived impact of intervention.

Time frame: 1 month

Population: Participants were excluded if they did not complete this scale.

ArmMeasureValue (MEAN)Dispersion
Dyadic CARE (Survivors)Survivor Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)16.56 score on a scaleStandard Deviation 2.5
Supporter-Only CARE (Survivors)Survivor Perceived Impact of Intervention at 1 Month Post-baseline (Self-report)15.71 score on a scaleStandard Deviation 2.37

Source: ClinicalTrials.gov · Data processed: Feb 17, 2026