title: Occupational rehabilitation programs for musculoskeletal pain and common mental health disorders: study protocol of a randomized controlled trial.
abstract: BACKGROUND
  Long-term sick leave has considerably negative impact on the individual and society. Hence, the need to identify effective occupational rehabilitation programs is pressing. In Norway, group based occupational rehabilitation programs merging patients with different diagnoses have existed for many years, but no rigorous evaluation has been performed. The described randomized controlled trial aims primarily to compare two structured multicomponent inpatient rehabilitation programs, differing in length and content, with a comparative cognitive intervention. Secondarily the two inpatient programs will be compared with each other, and with a usual care reference group.
  
  
  METHODS
  The study is designed as a randomized controlled trial with parallel groups. The Social Security Office performs monthly extractions of sick listed individuals aged 18-60 years, on sick leave 2-12 months, with sick leave status 50% - 100% due to musculoskeletal, mental or unspecific disorders. Sick-listed persons are randomized twice: 1) to receive one of two invitations to participate in the study or not receive an invitation, where the latter "untouched" control group will be monitored for future sick leave in the National Social Security Register, and 2) after inclusion, to a Long or Short inpatient multicomponent rehabilitation program (depending on which invitation was sent) or an outpatient cognitive behavioral therapy group comparative program. The Long program consists of 3 ½ weeks with full rehabilitation days. The Short program consists of 4 + 4 full days, separated by two weeks, in which a workplace visit will be performed if desirable. Three areas of rehabilitation are targeted: mental training, physical training and work-related problem solving. The primary outcome is number of sick leave days. Secondary outcomes include time until full sustainable return to work, health related quality of life, health related behavior, functional status, somatic and mental health, and perceptions of work. In addition, health economic evaluation will be performed, and the implementation of the interventions, expectations and experiences of users and service providers will be investigated with different qualitative methods.
  
  
  BACKGROUND
  ClinicalTrials.gov: NCT01926574.
authors.affiliation: Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway. marius.fimland@ntnu.no.
authors.forename: Marius S
authors.initials: MS
authors.lastname: Fimland
authors.forename: Ottar
authors.initials: O
authors.lastname: Vasseljen
authors.forename: Sigmund
authors.initials: S
authors.lastname: Gismervik
authors.forename: Marit By
authors.initials: MB
authors.lastname: Rise
authors.forename: Vidar
authors.initials: V
authors.lastname: Halsteinli
authors.forename: Henrik B
authors.initials: HB
authors.lastname: Jacobsen
authors.forename: Petter C
authors.initials: PC
authors.lastname: Borchgrevink
authors.forename: Hanne
authors.initials: H
authors.lastname: Tenggren
authors.forename: Roar
authors.initials: R
authors.lastname: Johnsen
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000534:rehabilitation*; D008875:Middle Aged; D059352:Musculoskeletal Pain / Q000534:rehabilitation*; D009664:Norway; D009786:Occupational Health Services / Q000379:methods*; D062707:Return to Work / Q000706:statistics & numerical data*; D018582:Sick Leave / Q000706:statistics & numerical data; D016896:Treatment Outcome; D055815:Young Adult
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