This multi-site study assesses the impact of text message reminders on the receipt of COVID-19 and influenza text message reminders takes place primarily in practices from the American Academy of Pediatrics (AAP) Pediatric Research in Office Settings (PROS) network.
The study is to be conducted over the 1st season (September 2024-April 2025) as an effectiveness trial and the 2nd (September 2025-April 2026) as a replication study. This protocol covers the first season. Parents of eligible children who are 6 month-17 year-old who are due for both a COVID-19 and influenza vaccine will be sent text messages. Within each practice site, parents of eligible children will be randomized to receive either: 1) combined COVID-19 and influenza vaccine text message reminders, 2) COVID-19 reminders alone, 3) influenza reminders alone, or 4) no reminders (usual care). Randomization is to be stratified by practice site, age group and prior year's COVID-19/influenza vaccine history. Messages will be sent centrally and managed by the research team.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
TRIPLE
Enrollment
66,147
Text message influenza vaccine reminders
Text message COVID-19 vaccine reminders
Text message influenza and COVID-19 vaccine reminders
American Academy of Pediatrics
Itasca, Illinois, United States
Columbia University Irving Medical Center
New York, New York, United States
Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, United States
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Timeliness of influenza vaccination
Days from study start to influenza vaccine up to December 31 each year
Time frame: Up to December 31 each year, up to ~90 days
Timeliness of COVID-19 vaccination
Days from study start to COVID-19 vaccine up to December 31 each year
Time frame: Up to December 31 each year, up to ~90 days
Timeliness of influenza vaccination
Days from study start to influenza vaccine up to April 30 each year
Time frame: Up to April 30 each year, up to ~210 days
Timeliness of COVID-19 vaccination
Days from study start to COVID-19 vaccine up to April 30 each year
Time frame: Up to April 30 each year, up to ~210 days
Percentage of Participants Who Received Influenza Vaccine by December 31 Each Year
Receipt of influenza vaccine by December 31 each year
Time frame: ~3 months
Percentage of Participants Who Received COVID-19 Vaccine by December 31 Each Year
Receipt of COVID-19 vaccine by December 31 each year
Time frame: ~3 months
Percentage of Participants Who Received Influenza Vaccine by April 30 Each Year
Receipt of influenza vaccine by April 30 each year
Time frame: ~7 months
Percentage of Participants Who Received COVID-19 Vaccine by April 30 Each Year
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Receipt of COVID-19 vaccine by April 30 each year
Time frame: ~7 months