McKay 1997.

Methods	DESIGN Description: Randomised, parallel, maintenance trial, unblinded (assumed) BLINDING Participants: No Assessors: No Administrators: No ALLOCATION CONCEALMENT Method: No RANDOMISATION Method: Unclear
Participants	SAMPLE Description: 10 DSM‐III‐R BDD, 60% female, average age: 31.2 years SCREENING Primary diagnosis: SCID Comorbidity: Unclear
Interventions	Description: 6 week uncontrolled behavioural therapy (exposure with response prevention) followed by 6 month controlled maintenance period (included in review)
Outcomes	BAT; BDD‐YBOCS; BDI; BAI (no distinction made between primary and secondary outcomes) Data estimation: ITT
Notes	INDUSTRY SUPPORT Industry funded: Unclear Medication provided by industry: N/A Any of the authors work for industry: No ADDITIONAL INFORMATION Drop‐out rates: 0 Quality rating score: 16
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used