Acceptability of Reminders for Immunization Appointments via Mobile Devices by Mothers in Ilorin, Nigeria: A Cross-sectional Study.

Most mothers are willing to receive reminders on immunization appointments via their mobile phone. Determinants of maternal willingness to receive reminders include mothers with less than four children, postsecondary education, and antenatal care attendance. Program planners should consider utilizing reminders as a strategy to increase the immunization uptake with access to contact details making this feasible.