Predictors of return to work for people on sick leave with depression, anxiety and stress: secondary analysis from a randomized controlled trial.

"Declarations Conflict of interestThe authors have no relevant financial or non-financial interest to disclose. Ethical approvalProject IBBIS was evaluated by the Regional Ethics Committees of the Capital Region (H-16015724), but the trial was not judged to be a biomedical trial, and therefore, ethical approval was not necessary. The project was approved by the Danish Data Protection Agency (#RHP-2016–006), and it was conducted in accordance with applicable regulations. Consent to participateAll participants were informed about the aims and methods in Project IBBIS. Oral and written consents were obtained from all participants in this study. Consent to publishNot applicable. No individual data are published in this paper. Conflict of interest The authors have no relevant financial or non-financial interest to disclose."

"Funding The IBBIS project was funded by the Danish Agency for Labor Market and Recruitment, and the four Danish municipalities: Copenhagen, Lyngby-Taarbæk, Gladsaxe and Gentofte."