Eaton 1999.

Methods	Cluster RCT Follow up: providers: NOT CLEAR patients: N/A Blinded assessment: DONE Baseline: NOT DONE Reliable outcomes: DONE Protection against contamination: DONE Overall quality: MODERATE
Participants	1 doctor and 1 nurse from each of 30 primary care practices Country: New Zealand Proportion of eligible providers who participated: 10% General practice Academic/Teaching setting: NOT CLEAR Type of targeted behaviour: SPIROMETRY USE (screening, diagnosis and monitoring of respiratory disease) Complexity of targeted behaviour: LOW
Interventions	1. CME: 2 hr workshop: theoretical + practical aspects of performance + handheld spirometer received 2. Handheld spirometer received
Outcomes	Professional practice: spirometry quality assurance data Patient: none Seriousness of outcome: MODERATE
Notes	No baseline data
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	B ‐ Unclear