Bennett 2001.

Methods	Design: RCT (cluster randomized by practice) Protection against contamination: DONE Blinded assessment: DONE Reliable outcome measure(s): DONE Baseline measurement: DONE Follow‐up: NOT DONE
Participants	UK 177 Physicians (GPs) in 50 practices
Interventions	(1) Risk Factor Checklist (2) OME Training Video (3) Combination of Checklist and Video
Outcomes	Appropriateness of Referrals
Notes	EDUCATIONAL INTERVENTION
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used