Dowell 2001.

Methods	RCT unit of allocation: patient unit of analysis: patient power calculation: done concealment of allocation: done follow up of patients: done blinded assessment of outcome: not clear baseline measurement: not applicable reliable primary outcome measure:done protection against contamination: not applicable analysis appropriate: yes
Participants	191 patients over 16 years of age from 48 general practitioners in Great Britain with uncomplicated respiratory tract infection with cough who were thought to desire antibiotics by the physician
Interventions	1. Delayed treatment with antibiotics ‐ patient received prescription that was kept at physician's office and asked to retrieve it in one week if required 2. Immediate prescription from physician
Outcomes	Professional practice: Subsequent use by GP of delayed prescribing Patient: Proportion of patients who collected prescriptions Duration of symptoms (cough) Patient attitudes
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ Adequate