Juncosa 1997.

Methods	CBA unit of allocation: health region unit of analysis: episode of care power calculation: not done baseline measurement: not done characteristics for studies using second site as control: not clear blinded assessment of primary outcome: done protection against contamination: done reliable primary outcome measure: done follow up of professionals: done analysis appropriate: no
Participants	General practitioners and pediatricians in 2 regions in Spain prescribing antibiotics for patients of all ages with community acquired infection
Interventions	1. Financial / health care system changes (primary care reform) 2. No intervention control
Outcomes	Professional practice: Change in mean number of prescriptions for antibiotics Patient: None
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used