Flottorp 2002.

Methods	RCT unit of allocation: practice unit of analysis: practice power calculation: done concealment of allocation: done follow up of professionals: done blinded assessment of outcome: done baseline measurement: done reliable primary outcome measure: done protection against contamination: done analysis appropriate: yes
Participants	General Practitioners and physicians' assistants from 142 practices in Norway treating patients over 3 years of age for sore throat and women between 16 and 55 years of age for urinary tract infection.
Interventions	1. Multi‐faceted intervention tailored to overcome identified barriers to change for management of urinary tract infection including printed and electronic educational materials + computer‐based decision support and reminders+ increase in fee for telephone consultation + educational with points for continuing medical education for physicians; printed and electronic educational materials for patients 2. Same intervention for the management of sore throat
Outcomes	Professional practice: Changes in rates of prescribing use of antibiotics for both conditions Patient: None
Notes	Guidelines for content published in Journal of the Norwegian Medical Association
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate