Stewart 2000.

Methods	CBA unit of allocation: community unit of analysis: episode of care power calculation: not done baseline measurement: not clear characteristics for studies using second site as control: not done blinded assessment of primary outcome: done protection against contamination: done reliable primary outcome measure: done follow up of professionals: not clear analysis appropriate: no
Participants	Physicians in Ontario, Canada treating patients of all ages for any community acquired infections
Interventions	1. Mulit‐faceted including educational meetings + printed educational materials for physicians and nurses and the community (different meetings and materials) 2. No intervention control
Outcomes	Primary outcome Change in rate of prescribing of oral antibiotics Change in rate of prescribing first‐ and second‐line antibiotics
Notes	Recommendations for first and second line therapy based on the Ontario Anti‐infective Guidelines for Community‐Acquired Infections, 1997 (2nd Edition), produced by a provincially funded panel
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used