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Addressing logistical barriers to childhood vaccination using an automated reminder system and online resource

Nicole M Wagner1, Amanda F Dempsey2, Komal J Narwaney3

  • 1Institute for Health Research, Kaiser Permanente Colorado, Denver, CO, United States; Adult and Child Consortium for Health Outcomes Research and Delivery Science, Aurora, CO, United States.

Vaccine
|June 1, 2021
PubMed

Insights

New automated reminder systems did not improve child vaccination rates. Additional strategies are needed to overcome logistical barriers for caregivers seeking to ensure their children receive timely immunizations.

Area of Science:

  • Pediatrics
  • Public Health
  • Health Services Research

Background:

  • Declining childhood vaccination rates necessitate innovative strategies.
  • Logistical barriers significantly impede timely childhood immunizations.
  • Integrated healthcare systems are key settings for intervention.

Purpose of the Study:

  • To develop and evaluate the Vaccines For Babies (VFB) intervention.
  • To address logistical barriers to vaccination through automated reminders and online resources.
  • To assess the effectiveness of VFB in a randomized controlled trial.

Main Methods:

  • Qualitative interviews identified parental barriers to vaccination.
  • The VFB intervention provided automated reminders and linked caregivers to resources.
  • A randomized controlled trial compared VFB to usual well-child care (UC).
  • Primary outcome: percentage of days undervaccinated at 2 years.

Main Results:

  • No significant difference in vaccination uptake between VFB and UC groups.
  • A modest decrease in undervaccination days observed in Medicaid participants using VFB.
  • High loss to follow-up (45%) may have impacted results.

Conclusions:

  • Automated reminders alone were insufficient to increase infant vaccination uptake.
  • Current resources need enhancement to effectively support caregivers facing logistical challenges.
  • Further research is required to develop more impactful vaccination strategies.
Abstract

Keywords:
Automated remindersLogistical BarriersQualitative interviewsRandomized controlled trial

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