Guiriguet 2016.

Study characteristics
Methods	Cluster RCT
Participants	10 primary care centres, Barcelona, Spain 41 042 patients, 130 primary care physicians
Interventions	Prompted providers to promote patient participation in population‐based colorectal cancer screening program
Outcomes	Process adherence (testing)
Co‐Interventions	Educational: None Beyond Clinician Education: Colorectal cancer screening program
CDSS Features ‐ Acknowledgement of CDSS Required	Not reported
CDSS Features ‐ Other	Ambush, conveyed patient‐specific information, decision support was complex, makes care recommendation, 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