Text message reminders for second dose of influenza vaccine: a randomized controlled trial.

OBJECTIVE: To determine whether provision of vaccine-health-literacy-promoting information in text message vaccine reminders improves receipt and timeliness of the second dose of influenza vaccine within a season for children in need of 2 doses. METHODS: During the 2012-2013 season- families of eligible 6-month through 8-year-old children were recruited at the time of their first influenza vaccination from 3 community clinics in New York City. Children (n = 660) were randomly assigned to educational" text message "conventional" text message and "written reminder-only" arms. At enrollment all arms received a written reminder with next dose due date. Conventional messages included second dose due date and clinic walk-in hours. Educational messages added information regarding the need for a timely second dose. Receipt of second dose by April 30 was assessed by using $chi$(2) tests. Timeliness was assessed by receipt of second dose by 2 weeks after due date (day 42) using $chi$(2) and over time using a Kapla


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Added on: 02 July, 2015
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