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Table 4 Primary and secondary outcomes and data collection

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 6-Month follow-up 12-Month follow-up 24-Month follow-up
Primary DREAM database Time from baseline to RTW    X  
Secondary DREAM database Proportion in ordinary work    X  
DREAM database Time from baseline to RTW   X   X
DREAM database Time from the first day of RTW until recurrent sick leave     X
Questionnaire Difference in depressive symptoms measured by Beck Depression Inventory-II (BDI-II) [56] X X   
Questionnaire Difference in anxiety symptoms measured by Beck Anxiety Inventory (BAI) [59] X X   
Questionnaire Difference in stress symptoms measured by Cohen et al.’s Perceived Stress Scale (PSS) [80] X X   
Questionnaire Social and work-related function measured by WSAS [61] X X   
  1. Abbreviations: DREAM Danish Register for Evaluation of Marginalization, RTW Return to work, WSAS Work and Social Adjustment Scale