Chalker 2005.

Methods	Cluster RCT Follow up: providers: DONE patients: N/A Blinded assessment: NOT CLEAR Baseline: DONE Reliable outcomes: NOT CLEAR Protection against contamination: DONE Overall quality: MODERATE
Participants	Two districts were randomly selected from 40 districts in Bangkok to represent each of four types of neighbourhoods (industrial, downtown living, modern living, and suburban), then randomly assigned to the control or intervention group. 78 pharmacies were then randomly selected from the 8 districts and randomly assigned to one of the two groups 78 pharmacies in 8 districts in Bangkok Country: Thailand Proportion of eligible providers who participated: 20% OTHER: pharmacies Academic/Teaching setting; NON‐TEACHING setting Type of targeted behaviour: PRESCRIBING (dispensing of antibiotics and corticosteroids) Complexity of targeted behaviour: MEDIUM
Interventions	1. CME: educational intervention performed in 3 groups. Pharmacy owners and assistants in a 2‐day seminar (case management and rational use of drugs) + enforcement of regulations performed by 6 inspectors + peer review groups 2. No intervention control
Outcomes	Professional practice: % clients receiving steroids at request Patient: none Seriousness of outcome: MODERATE
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	B ‐ Unclear