Schectman 2003.

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	14 groups with 120 primary care physician and associate practitioners from 2 group model HMO practices Country: USA Proportion of eligible providers who participated: NOT CLEAR General practice Academic/Teaching setting: NOT CLEAR Type of targeted behaviour: GENERAL MANAGEMENT OF A PROBLEM (guideline consistent behaviour for provision of services for low back pain) Complexity of targeted behaviour: MEDIUM
Interventions	1. CME: 1.5 hrs physician education + audit & feedback + follow‐up visit 2. Patient education materials (videotape and pamphlet) + one visit from the study investigators + 2 written reminders 3. Both interventions 4. No intervention control
Outcomes	Professional practice: % utilization of at least 1 of 4 indicators of guideline consistent behaviour (on basis of patient care episodes) Patient: none Seriousness of outcome: MODERATE
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A ‐ Adequate