Effectiveness of 'motivational interviewing' on sick leave: a randomized controlled trial in a social insurance setting.

"Competing interests The authors declare no conflicts of interest."

"Funding The Research Council of Norway (project number 256633). JHB’s work was supported by the Norwegian Research Council (project number 295989). The funders had no role in the design of the project and collection, analysis, interpretation of data, writing the manuscript and in publication decisions."

"We conducted a randomized clinical trial with three parallel arms. The trial compared MI to usual case management and active control for sick-listed individuals. The primary outcome was number of sickness absence days during 12 months of follow-up. The protocol has been published () and the study is registered at ClinicalTrials.gov (no. NCT03212118). The Regional Committees for Medical and Health Research Ethics in South East Norway (No: 2016/2300) approved the study, and the results are presented according to the CONSORT statement ()."