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Chronobiological and ACT-based Training to Handle Stress at Work

Chronobiological and Acceptance and Commitment Based Training for the Successful Handling of Stress in the Workplace. A Randomised Crossover Clinical Study

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04290117
Enrollment
90
Registered
2020-02-28
Start date
2019-10-16
Completion date
2020-04-30
Last updated
2020-02-28

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

Conditions

Stress

Keywords

Sleep Hygiene, Morning Light, Acceptance and Commitment Training

Brief summary

The aim of the present project is to combine Acceptance and Commitment Therapy and sleep hygiene + light-therapy (so-called chronotherapy) serially in a sample of employees to reduce levels of subjective exhaustion.

Interventions

During the ACT-based intervention, participants will get 4 training sessions in groups, once a week for an hour. Additionally, participants will be asked to implement behavioural exercises such as mindfulness and value-based exercises into their daily schedule.

BEHAVIORALSleep Hygiene and bright light in the morning

During the chronobiological intervention, participants will get 4 training sessions in groups, one hour per week. Additionally, they will use a daylight lamp at home, for 30 minutes per day after waking up.

Sponsors

Psychiatric Hospital of the University of Basel
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* working in an office mainly (i.e., \> 60% of work time) * Age: ≥18 years old * Sex: male and female individuals * Ownership of cell phone with internet connection * informed consent as documented by signature

Exclusion criteria

* diseases of the retina or related diseases such as diabetes mellitus * taking drugs which heighten photosensitivity * inability to understand and follow procedures in German

Design outcomes

Primary

MeasureTime frameDescription
Change in subjective exhaustion measured by the German Version of the Shirom-Melamed Burnout Measureapprox. every two weeks, and at follow up (i.e., approx. 5 weeks after last training session)Overall mean score as well as three subscales of Shirom-Melamed Burnout Measure ( P = physical fatigue; E= emotional exhaustion; and C= cognitive weariness, each ranging from 1-7). Note: Higher scores indicate higher levels of exhaustion (overall as well as on each scale P, E and C)

Secondary

MeasureTime frameDescription
Change in subjective well-being as assessed by the Patient Health Questionnaire (PHQ-D)approx. every 4 weeksSum over each of the subscales assessing somatic, depressive, anxiety and stress symptoms. The subscale assessing panic symptoms, alcohol abuse and intake of medication will be categorically evaluated.
Change in quality of circadian rhythmActimetric devices are worn during 2 x 28 days continuously. The outcome of actimetric data are aggregated per person and training episodeActimetric devices are worn during 2 x 28 days continuously. These devices store the amount of activity in a resolution of 30 Hz 24/7. For data analyses, these activity data will be aggregated to three values (stability, variability and relative amplitude) per participant and training episode by non-parametric circadian rhythm analyses; higher values indicate higher stability, variability and amplitude
Change in subjective and objective sleep quality: Pittsburgh Sleep Quality Index (PSQI)PSQI is collected approx. every four weeks and at follow up (i.e. approx 5 weeks after last training), the single question and actimetric data are measured dailySubjectively assessed by the Pittsburgh Sleep Quality Index (PSQI, higher scores indicate worse subjective sleep quality), by a single question about sleep quality (higher scores indicate worse quality) and by actimetric analyses
Change in Subjective sleepiness in the morningKSS is measured dailyMeasured by Karolinska Sleepiness Scale (KSS), higher scores indicate higher sleepiness
Change in Subjective well-being as assessed by General Health Questionnaire (GHQ-12)approx. every two weeks, and at follow up (i.e., approx. 5 weeks after last training session)Sum over twelve items, higher scores indicate worse psychological well-being
Change in Chronotypeapprox. every 4 weeks and at follow up (i.e., approx. 5 weeks after last training session)Measured by a short version of the Munich Chronotype Questionnaire, higher scores indicate a later chronotype
Change in Burnout severityevery 4 weeksMeasured by Maslach Burnout Inventory using sumscores of the subscales emotional exhaustion, depersonalization and personal achievement. Higher scores indicate higher exhaustion, depersonalization and better personal achievement
Change in AbsencesAssessed dailyNumbers of days absent if available from the employer
Change in Implementation of treatmentapprox. every two weeks, and at follow up (i.e., approx. 5 weeks after last training session)Questions about frequency implementation of treatment in daily life
Change in daytime subjective sleepinessESS approx every four weeksMeasured by Epworth Sleepiness Scale (ESS): higher scores indicate higher sleepiness

Countries

Switzerland

Contacts

Primary ContactCarolin Reichert, PhD
carolin.reichert@upk.ch+41 61 325 5508

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026