Stress management and primary prevention of depression among workers

Not Applicable

• Conditions: Subthreshold depression, depressive episode

• Registration Number: JPRN-UMIN000006210
• Lead Sponsor: Department of Mental Health, Graduate School of Medicine, University of Tokyo

Brief Summary

The iCBT program showed a significant intervention effect on BDI-II (t=-1.99, p<0.05) with small effect sizes (Cohen's d: -0.16, 95% Confidence Interval: -0.32 to 0.00, at six-month follow-up). Publication: Imamura K, Kawakami N, Furukawa TA, Matsuyama Y, Shimazu A, Umanodan R, Kawakami S, Kasai K. Effects of an Internet-based cognitive behavioral therapy (iCBT) program in Manga format on improving subthreshold depressive symptoms among healthy workers: a randomized controlled trial. PLoS One. 2014 May 20;9(5):e97167. doi: 10.1371/journal.pone.0097167

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2011-09-05
• Study Completion: 2012-07-31
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 262

Inclusion Criteria

Not provided

Exclusion Criteria

1) Non-regular or part-time employees 2) Sick leave for 15 or more days for a physical or mental condition in the past 3 months 3) Current treatment for a mental health problem from a mental health professional 4) Major depressive episode in the past month, as ascertained by web-based CIDI 5) Lifetime history of bipolar disorder, as ascertained by CIDI

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1) Depression severity as measured by Beck Depression Inventory-II (BDI2) at 3 and 6 months post-randomization 2) Duration before the onset of major/minor depressive episode measured by the web-based self-rated CIDI after randomization until 6 month follow-up

Secondary Outcome Measures

Name	Time	Method
1) Severity of depression measured by K6 2) Work performance measured by WHO Health and Performance Questionnaire (HPQ) 3) Sick leave days in the past 3 months 4) Work Engagement measured by Utrecht Work Engagement Scale (UWES-9) 5) 24-item Dysfunctional Attitude Scale (DAS-24-J) 6) Knowledge and self-efficacy on stress management