Walker 2010.

Study characteristics
Methods	Cluster RCT
Participants	General practice clinics, Melbourne, Australia 2846 patients, 221 providers, 66 clinics
Interventions	Reminder that prompted discussion about chlamydia testing with women aged 16‐24
Outcomes	Process adherence (testing)
Co‐Interventions	Educational: Distribution of educational materials to providers in both intervention and control groups Beyond Clinician Education: None
CDSS Features ‐ Acknowledgement of CDSS Required	Yes ‐ required acknowledgement of the CDSS but not documentation of action taken
CDSS Features ‐ Other	Ambush, considered alert fatigue in design, interruptive, makes care recommendation, 'push' mode of delivery, targeted underuse
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk
Incomplete outcome data (attrition bias) All outcomes	Low risk
Baseline characteristics similar?	Low risk
Unit of analysis error	Low risk