Finkelstein 2001.

Methods	RCT unit of allocation: practice unit of analysis: patient power calculation: done concealment of allocation: not clear follow up of professionals: not clear blinded assessment of outcome: done baseline measurement: done reliable primary outcome measure: done protection against contamination: done analysis appropriate: yes
Participants	129 family physicians, pediatricians and nurse practitioners in 12 practices in the Massachusetts and Washington, USA treating children with respiratory tract infections
Interventions	1. Multi‐faceted including local opinion leaders + audit and feedback + educational materials for physicians; printed educational materials for parents 2. No intervention control
Outcomes	Professional practice: Change in rate of prescribing antibiotics for respiratory tract infections Patient: None
Notes	Educational materials for clinicials and parents based upon evidence based guidelines: Principles of Judicious Antibiotic Use
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear