Jensen 1995.

Methods	A Randomised Controlled Trial. Methodological quality score 3
Participants	20‐ 55 yr old patients (n=70) with chronic neck and shoulder pain without objective neurological signs. 65% females
Interventions	(I) 5 wks inpatient multimodal cognitive‐behavioral treatment (n=29) The behavioral component was administrated by a clinical psychologist directly to patients. (C) (n=37) psychologist functioning as a coach to other health professionals
Outcomes	Pain Intensity (100 mm VAS): Baseline (I) 52.2, (C) 51.6; after rehabilitation (I) 45.0, (C) 42.4 and at 6 mths (I) 45.2, (C) 48.5 Disorder specific functional status (HAQ): Baseline (I) 27.1, (C) 24.1; after rehabilitation (I) 30.1, (C) 27.0 and at 6 mths (I) 26.2, (C) 25.6: Ability to work (days off in 6 mths): Baseline (I) 138 (C) 140; at 12 mths (I) 110 (C) 105; at 18 mths (I) 90 (C) 90 Costs US$/patient: (I) US$ 30422 (C)US$ 902 Other: Number recovered after rehabilitation, anxiety, depression, helplessness
Notes	Drop‐outs 4 (6%) at 6 months Reviewers overall conclusions of outcomes: NEGATIVE
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear