This experiment is part of a megastudy with a total of ten experimental conditions and a holdout control condition to which patients will be randomly assigned. The focal comparison in this experiment is between a message encouraging vaccination by communicating to patients that they live in an area with significant COVID transmission and a control message telling patients that an updated COVID booster vaccine is waiting for them.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Enrollment
520,000
Participants will receive text messages per descriptions listed in the arms.
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Patient uptake of COVID bivalent booster
Whether patients receive a bivalent COVID booster at the pharmacy in question
Time frame: During the 30 days after receiving the SMS/MMS intervention
Patient uptake of COVID bivalent booster
Whether patients receive a bivalent COVID booster at the pharmacy in question
Time frame: 60 days after receiving the SMS/MMS intervention
Patient uptake of COVID bivalent booster
Whether patients receive a bivalent COVID booster at the pharmacy in question
Time frame: 90 days after receiving the SMS/MMS intervention
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