Setaro 1985.

Methods	RCT (parallel group)
Participants	Community volunteers recruited via the media Age range 18 ‐ 35 (mean age not stated) 26% women N = 150
Interventions	1. Cognitive therapy and aerobic dance classes (n = 30) 2. Aerobic dance classes only (n = 30) 3. Cognitive therapy only using the principles of A Beck (n = 30) 4. Cognitive therapy and non‐aerobic exercise classes (n = 30) 5. Non‐aerobic exercise only (arts and crafts) (n = 30) 6. No intervention (n =30) Duration of interventions was 10 weeks
Outcomes	Minnesota Multiphasic Personality Inventory
Notes	Outcome assessment not blind Analysis not intention‐to‐treat
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Participants blocked by gender; male‐female ratios kept constant
Allocation concealment (selection bias)	Unclear risk	Unclear
Blinding (performance bias and detection bias) participants	Unclear risk	Participants not blind, unclear risk on bias
Blinding (performance bias and detection bias) those delivering intervention	Unclear risk	Group intervention, unclear if those delivering the intervention were blind
Blinding (performance bias and detection bias) outcome assessors	Unclear risk	Not stated
Incomplete outcome data (attrition bias) All outcomes	High risk	180 randomised, 150 completed trial
Selective reporting (reporting bias)	Unclear risk	Reported prespecified outcomes; no protocol
Other bias	Unclear risk	Unclear