Registry-linked electronic influenza vaccine provider reminders: a cluster-crossover trial.

OBJECTIVE: To determine the impact of a vaccination reminder in an electronic health record supplemented with data from an immunization information system (IIS). METHODS: A noninterruptive influenza vaccination reminder- based on a real-time query of hospital and city IIS- was used at 4 urban- academically affiliated clinics serving a low-income population. Using a randomized cluster-crossover design- each study site had on" and "off" period during the fall and winter of 2011-2012. Influenza vaccination during a clinic visit was assessed for 6-month to 17-year-old patients. To assess sustainability the reminder was active at all sites during the 2012-2013 season. RESULTS: In the 2011-2012 season 8481 unique non-up-to-date children had visits. Slightly more non-up-to-date children seen when the reminder was 'on' were vaccinated than when 'off' (76.2% vs 73.8%/ P = .027). Effects were seen in the winter (67.9% vs 62.2%/ P = .005) not fall (76.8% vs 76.5%). The reminder also increased documentation of the reas


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Added on: 02 July, 2015
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