Objective — To study the effect of electronic medical record (EMR) implementation on preventive services covered by Ontario's pay-for-performance program.
Design — Prospective double-cohort study.
Participants — Twenty-seven community-based family physicians.
Setting — Toronto, Ont. Intervention Eighteen physicians implemented EMRs, while 9 physicians continued to use paper records.
Main Outcome Measure — Provision of 4 preventive services affected by pay-for-performance incentives (Papanicolaou tests, screening mammograms, fecal occult blood testing, and influenza vaccinations) in the first 2 years of EMR implementation.
Results — After adjustment, combined preventive services for the EMR group increased by 0.7%, a smaller increase than that seen in the non-EMR group (P = .55, 95% confidence interval -2.8 to 3.9).
Conclusion — When compared with paper records, EMR implementation had no significant effect on the provision of the 4 preventive services studied.
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