Integrated mental health care and vocational rehabilitation to improve return to work rates for people on sick leave because of exhaustion disorder, adjustment disorder, and distress (the Danish IBBIS trial): study protocol for a randomized controlled trial

Table 1 Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) figure: enrollment and data collection

	Baseline t_-1	Randomization t₀	6-month follow-up t₁	12-month follow-up, t₂	24-month follow-up t₃
Informed consent	X
Case Report Form (CRF) from personal interviews	X
Randomization database		X
Registration sheets	X	X	Continuous registration
Self-assessment data	X		X	X	X
Register data		X	X	X	X

ISSN: 1745-6215