Ozkaya 2009.

Methods	STUDY DESIGN: NRT Risk of Bias: HIGH
Participants	PROVIDERS: all staff in the ED PARTICIPANTS: all children with influenza‐like illness CLINICAL PROBLEM: reduction in antibiotic prescribing for influenza SETTING: 1 university hospital in Turkey
Interventions	FORMAT: Intervention: structural, rapid laboratory test for influenza Intervention Function: environmental restructuring DELIVERER: specialist physicians, Department of Paediatrics COMPARISON: usual care DESIRED CHANGE: decrease excessive
Outcomes	PRESCRIBING: Exposure: % children prescribed antibiotics
Notes	FINANCIAL SUPPORT: no information ADDITIONAL DATA: email response from authors but no additional data
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Does not say how groups were allocated
Allocation concealment (selection bias)	Unclear risk	Says there was blinding but unclear who was blinded.
Blinding (performance bias and detection bias) All outcomes	Unclear risk	Says there was blinding but unclear who was blinded.
Incomplete outcome data (attrition bias) All outcomes	Low risk	All included
Selective reporting (reporting bias)	Low risk	Yes, all outcomes reported.
Other bias	Low risk
Baseline Outcomes similar?	Unclear risk	No baseline outcome data
Free of contamination?	High risk	Within same ward
Baseline characteristics similar?	Low risk	Yes, Table 1