Jennett 1988.

Methods	Cluster RCT Follow up: providers: DONE patients: N/A Blinded assessment: DONE Baseline: DONE Reliable outcomes: DONE Protection against contamination: DONE Overall quality: HIGH
Participants	31 family doctors in 25 practices providing care for 2077 episodes of patients with risk of colorectal or prostatic cancer or with hypertension Country: Canada Proportion of eligible providers who participated: 12% Community‐based care Academic/Teaching setting: NOT CLEAR Type of targeted behaviour: GENERAL MANAGEMENT OF A PROBLEM (cancer screening and hypertension management) Complexity of targeted behaviour: LOW
Interventions	1. CME: 1.5‐hour small group meeting + 2 teleconferences over 6‐8 weeks + 4 newsletters in cancer screening 2. CME: 1.5‐hour small group meeting + 2 teleconferences over 6‐8 weeks + 4 newsletters in hypertension management 2. No intervention control
Outcomes	Professional practice: proportion of recommended behaviours in cancer screening and hypertension management Patient: none Seriousness of outcome: MODERATE
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A ‐ Adequate