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Table 5 Exploratory outcomes and safety measures

From: Integrated mental health care and vocational rehabilitation to improve return to work rates for people on sick leave because of depression and anxiety (the Danish IBBIS trial): study protocol for a randomized controlled trial

Data source Outcome Baseline Follow-up
6 Months 12 Months 24 Months
DREAM database Weeks of work from baseline to current follow-up    X X
Questionnaires Symptoms of distress, anxiety, depression, and somatization measured by Four-Dimensional Symptom Questionnaire (4DSQ) [46] X X X X
Depressive symptoms measured by Beck Depression Inventory-II (BDI-II) [56] X   X X
Anxiety symptoms measured by Beck Anxiety Inventory (BAI) X   X X
Stress symptoms measured by Cohen et al.’s Perceived Stress Scale (PSS) [80] X   X X
Social and work-related function measured by WSAS [61] X   X X
Burnout symptoms measured by Karolinska Exhaustion Scale (KES) [62] X X X X
Health-related quality of life measured by EQ-5D-5L [81] X X X X
General quality of life scale measured by the Flanagan QOLS [65] X X X X
Self-efficacy concerning symptoms measured by IPQ subscale on personal control [66] X X X X
Return to work self-efficacy measured by RTW-SE [67] X X X X
General self-efficacy measured by General Self-Efficacy Scale (GSS) [68] X X X X
Client satisfaction with treatment measured by CSQ-8 [69]   X   
Presenteeism measured by Stanford Presenteeism Scale (SPS) [82]   X X X
Use of therapy and therapy-like services outside IBBIS   X X X
  1. Abbreviations: DREAM Danish Register for Evaluation of Marginalization, WSAS Work and Social Adjustment Scale, EQ-5D-5L EuroQol five-dimension five-level version, QOLS Quality of Life Scale, IPQ Illness Perception Questionnaire, RTW-SE Return to Work Self Efficacy scale, CSQ Client Satisfaction Questionnaire, IBBIS Integrated Mental Health Care and Vocational Rehabilitation to Individuals on Sick Leave Due to Anxiety and Depression