• Jessica A Bushar, Juliette S Kendrick, Helen Ding, Carla L Black, and Stacie M Greby.
• ZERO TO THREE, Washington, District of Columbia. Electronic address: jbushar@zerotothree.org.
• Am J Prev Med. 2017 Dec 1; 53 (6): 845853845-853.

IntroductionPregnant women are at risk for severe influenza-related complications; however, only 52% reported receiving an influenza vaccination during the 2013-2014 influenza season. Text4baby, a free national text service, provides influenza vaccination education and reminders to pregnant women. This study examined reported influenza vaccination during pregnancy among Text4baby participants who reported receiving influenza messages and women who reported never participating in Text4baby.MethodsOpt-in Internet Panel Surveys (April 2013 and 2014) of pregnant women collected demographic and other characteristics; influenza vaccination knowledge, attitudes, and behaviors; and Text4baby participation. Women aged 18-49 years, pregnant anytime from October to January (N=3,321) were included. Text4baby influenza message recallers reported receiving Text4baby influenza messages during their current/most recent pregnancy (n=377). Text4baby non-participants reported never receiving Text4baby messages (n=2,824). Multivariable logistic regression was performed (2014-2016) controlling for demographic and other characteristics, high-risk conditions, and provider recommendation and offer to vaccinate. Adjusted prevalence ratios (APRs) were calculated. Random sampling was assumed for this non-probability sample.ResultsText4baby recallers were more likely than non-participants to report influenza vaccination regardless of receipt of provider recommendation and/or offer to vaccinate (provider recommendation/offer APR=1.29, 95% CI=1.21, 1.37, provider recommendation/no offer APR=1.52, 95% CI=1.07, 2.17). Among women receiving neither a provider recommendation nor offer to vaccinate, Text4baby recallers were more than three times as likely to report influenza vaccination compared with non-participants (APR=3.39, 95% CI=2.03, 5.67).ConclusionsText4baby status was associated with higher influenza vaccination, especially among women whose provider did not recommend or offer the vaccine. Encouraging Text4baby enrollment may help ensure influenza vaccination is given to protect mothers and infants.Copyright © 2017 American Journal of Preventive Medicine. All rights reserved.

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