Recruitment, stratification and randomisation
UC, Musculoskeletal Pain, musculoskeletal disorders
MUSCULOSKELETAL DISORDERS
From April 2019 to October 2020 workers on sick leave due to musculoskeletal disorders were phoned from the NAV directorate. Every week the recruiters received lists of workers in week seven of sick leave, affiliated to eight NAV offices in South-Eastern Norway. Eligible candidates were informed about the trial and assured that participation was voluntary and did not affect sick leave benefits or UC provided by the NAV. Workers who agreed to participate received an electronic link to written information about the trial, an electronic informed consent form and the baseline questionnaire.We used the Örebro Musculoskeletal Pain Screening Questionnaire Short Form (ÖMPSQ-SF),
