SOVA Ambassadors Community Setting

Average number of articles written per participant; Research team extract data from websites and observation notes

Time frame: 12 weeks

Open-ended question: How acceptable to you was it to participate in this program? (referring to mental health program used as an implementation strategy) asked at baseline

Time frame: Baseline

Acceptability of Intervention Measure; Open-ended question (asked the SOVA Website meets my approval)

Time frame: 12 weeks

Population: 5 individuals in SOVA Ambassador arm did not complete 12 week measure, lost to follow-up

Single item open-ended question inquiring how acceptable it was to being randomly chosen to participate in the SOVA Ambassador arm versus the control arm

Time frame: 12 weeks

Generalized Anxiety Disorders 7-item Questionnaire measures extent of anxiety symptoms. The total score ranges from 0 to 21 with a higher score indicating greater severity.

Time frame: 12 weeks

Generalized Anxiety Disorders 7-item Questionnaire measures extent of anxiety symptoms. The total score ranges from 0 to 21 with a higher score indicating greater severity.

Time frame: 6 weeks

Patient Health Questionnaire-9 measures depression severity a higher score indicating greater severity. The PHQ-8 version was used with the 9th item omitted, score range is 0 to 24

Time frame: 12 weeks

Patient Health Questionnaire-9 measures depression severity a higher score indicating greater severity. The PHQ-8 version was used with the 9th item omitted, score range is 0 to 24

Time frame: 6 weeks

Emotional self-efficacy will be assessed using The Mental Health Self-Efficacy Scale (MHSES) (α = 0.82) Clarke 2014. MHSES was developed according to guidelines by Bandura as to how to create self-efficacy questionnaires (Bandura, 2006) . The questionnaire contains six items asking about the participant's confidence level in performing mental health self-care behaviors. Scoring of the MHSES is based on a 10-point Likert scale ranging from 1 (Not at all confident) to 10 (Totally confident). Scores are a mean score ranging 1-10 with higher scores meaning higher mental health self-efficacy.

Time frame: 12 weeks

Emotional self-efficacy will be assessed using The Mental Health Self-Efficacy Scale (MHSES) (α = 0.82) Clarke 2014. MHSES was developed according to guidelines by Bandura as to how to create self-efficacy questionnaires (Bandura, 2006) . The questionnaire contains six items asking about the participant's confidence level in performing mental health self-care behaviors. Scoring of the MHSES is based on a 10-point Likert scale ranging from 1 (Not at all confident) to 10 (Totally confident). Scores are a mean score ranging 1-10 with higher scores meaning higher mental health self-efficacy.

Time frame: 6 weeks

Average number of submissions to questions on the REDCap form per participant in the Attention control arm Research team extract data from REDCap

Time frame: 12 weeks

Positive Youth Development will be assessed using The Positive Youth Development Very Short Form (PYD-VSF). The confidence subscale is reported which has 3 items with a total score ranging from 3 to 13 (α = 0.78), a higher score associated with a greater level of confidence.

Time frame: 12 weeks

Positive Youth Development will be assessed using The Positive Youth Development Very Short Form (PYD-VSF). The confidence subscale is reported which has 3 items with a total score ranging from 3 to 13 (α = 0.78), a higher score associated with a greater level of confidence.

Time frame: 6 weeks

The 10-item Rosenberg Self-Esteem Scale (RSES) (α = 0.93) will be administered to assess participants' self-esteem. Items on the Rosenberg Self-Esteem Scale ask about self-worth and self-acceptance and are scored using a four-point scale from 1 = strongly disagree, to 4 = strongly agree. The scores on each question are summed together, with higher scores indicating greater self-esteem. Scores range from 10-40

Time frame: 12 weeks

The 10-item Rosenberg Self-Esteem Scale (RSES) (α = 0.93) will be administered to assess participants' self-esteem. Items on the Rosenberg Self-Esteem Scale ask about self-worth and self-acceptance and are scored using a four-point scale from 1 = strongly disagree, to 4 = strongly agree. The scores on each question are summed together, with higher scores indicating greater self-esteem. Scores range from 10-40 with a higher score equating to higher self esteem.

Time frame: 6 weeks

The revised UCLA Loneliness Scale will be administered to all participants to measure social isolation (α = 0.93). This 20-item scale measures one's feelings of social isolation and is scored using a four-point scale (1 = never; 2 = rarely; 3 = sometimes; 4 = often) . Score range 20-80, higher score is higher isolation.

Time frame: 6 weeks

The revised UCLA Loneliness Scale will be administered to all participants to measure social isolation (α = 0.93). This 20-item scale measures one's feelings of social isolation and is scored using a four-point scale (1 = never; 2 = rarely; 3 = sometimes; 4 = often) . Score range 20-80, higher score is higher isolation.

Time frame: 12 weeks

The Medical Outcome Study Social Support Scale measures types of social support. Higher levels associated with greater support. We will use the emotional/informational subscale from this report and calculate the mean per item score on a range of 1 to 5.

Time frame: 6 weeks

The Medical Outcome Study Social Support Scale measures types of social support. Higher levels associated with greater support. We will use the emotional/informational subscale from this report and calculate the mean per item score on a range of 1 to 5.

Time frame: 12 weeks

The Depression Stigma Scale measures stigmatizing attitudes toward depression treatment. It is a continuous measure and the total score ranges from 0-36. There are two subscales: the personal stigma subscale which totals 0-18 and the perceived stigma subscale which totals 0-18. These two are summed for the total stigma score. A higher score indicates a worse outcome.

Time frame: 12 weeks

The Depression Stigma Scale measures stigmatizing attitudes toward depression treatment. It is a continuous measure and the total score ranges from 0-36. There are two subscales: the personal stigma subscale which totals 0-18 and the perceived stigma subscale which totals 0-18. These two are summed for the total stigma score. A higher score indicates a worse outcome.

Time frame: 6 weeks