Examination of Text Message Plans and Baseline Usage of Families Enrolled in a Text Message Influenza Vaccine Reminder Trial: Survey Study (Preprint)

• DOI: 10.2196/preprints.39576
• Publication Date: 2023-06-30T13:01:20Z
• Authors: Chelsea S Wynn; Alexander G Fiks; Russell Localio; Justine Shults; Ekaterina Nekrasova; Laura P Shone; Alessandra Torres; Miranda Griffith; Rebecca Unger; Leigh Ann Ware; Mary Kate Kelly; Melissa S Stockwell
• Keywords: Text Messaging; Short Message Service; Demographics; Text message; mHealth

<sec> <title>BACKGROUND</title> Mobile health (mHealth) is quickly expanding as a method of promotion, but some interventions may not be familiar or comfortable for potential users. SMS text messaging has been investigated low-cost, accessible way to provide vaccine reminders. Most (97%) US adults own cellphone and those most use messaging. However, understanding patterns message plan type in diverse primary care populations needs more investigation. </sec> <title>OBJECTIVE</title> We sought survey examine baseline data among families willing accept <title>METHODS</title> As part National Institutes Health (NIH)–funded national study (Flu2Text) conducted during the 2017-2018 2018-2019 influenza seasons, children needing second seasonal dose were recruited pediatric offices at time their first dose. Practices from American Academy Pediatrics’ (AAP) Pediatric Research Office Settings (PROS) research network, Children’s Hospital Philadelphia, Columbia University. A was administered via telephone (Season 1) electronically 2) enrollment. Standardized (adjusted) proportions texting frequency calculated using logistic regression that adjusted child caregiver demographics. <title>RESULTS</title> Responses collected 1439 participants (69% enrolled). The mean age 32 (SD 6) years, (n=1355, 94.2%) aged 6-23 months. (n=1357, 94.3%) English-speaking. (n=1331, 92.8%) all had an unlimited sent received texts least once daily (n=1313, 91.5%). uniform across subgroups. there differences population’s usage. Caregivers who wanted Spanish messages less likely than chose English have (n=61, 86.7% vs n=1270, 94%; risk difference –7.2%, 95% CI –27.1 –1.8). There no significant having associated with child’s race, ethnicity, age, status, insurance type, education level. Nearly three-quarters (n=1030, 71.9%) form doctor’s office; common appointment reminders (n=1014, 98.4%), prescription (n=300, 29.1%), laboratory notifications (n=117, 11.4%). Even majority (n=64, 61.5%) did plans texted (n=72, 59%) reported receipt these messages. <title>CONCLUSIONS</title> In this study, access daily. infrequent lack preclude enrolling receive settings.