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Text message reminders for timely routine MMR vaccination: A randomized controlled trial.

Annika M Hofstetter1, Nathalie DuRivage2, Celibell Y Vargas2

  • 1Department of Pediatrics, Columbia University, New York, NY, USA; NewYork-Presbyterian Hospital, New York, NY, USA.

Vaccine
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Summary

Text message reminders improved timely measles-mumps-rubella (MMR) vaccination rates for high-risk children who lacked a scheduled one-year visit. This intervention specifically targeted parents to encourage essential pediatric immunizations.

Keywords:
ChildrenMMRMeaslesReminderText messageVaccination

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Area of Science:

  • Public Health
  • Pediatrics
  • Health Communication

Background:

  • Measles-mumps-rubella (MMR) vaccination is crucial for preventing disease outbreaks, yet under-vaccination persists in certain populations.
  • While text message reminders have proven effective for other pediatric vaccines, their impact on MMR vaccination requires further investigation.

Purpose of the Study:

  • To assess the effectiveness of text message reminders in improving timely MMR vaccination rates.
  • To evaluate different text messaging strategies: scheduling plus appointment reminders versus appointment reminders only.

Main Methods:

  • A randomized controlled trial involving 2054 parents of infants aged 9.5-10.5 months across four urban pediatric clinics.
  • Intervention groups received either scheduling and appointment text reminders or appointment reminders only, compared to a usual care group.
  • Outcomes measured included appointment scheduling, attendance, and MMR vaccination by 13 months of age.

Main Results:

  • The scheduling plus appointment text message reminders group showed a higher likelihood of scheduling the one-year preventive care visit.
  • This scheduling benefit was particularly pronounced for children without a pre-existing appointment.
  • Among children without a baseline appointment, the scheduling plus appointment text message reminders group demonstrated improved timely MMR vaccination rates.

Conclusions:

  • Text message reminders, especially those prompting appointment scheduling, can enhance timely MMR vaccination among high-risk children lacking initial appointments.
  • This intervention offers a practical strategy to address vaccination gaps and improve public health outcomes in pediatric populations.