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A disposition-belief-motivation framework for COVID-19 boosters: Prospective tests in a U.S. sample
Tim Bogg1, Elizabeth Milad2, Olivia Godfrey1
1Department of Psychology, Wayne State University.
Summary
Higher education, perceived infection risk, flu vaccine history, and prior COVID-19 vaccination predicted booster shots. Openness and less conservative beliefs also influenced booster vaccination propensity indirectly.
Area of Science:
- Psychology
- Public Health
- Behavioral Science
Background:
- Understanding factors influencing COVID-19 booster vaccination is crucial for public health strategies.
- Previous research has explored various individual and contextual determinants of vaccine uptake.
Purpose of the Study:
- To investigate prospective associations between sociodemographic factors, psychological traits, beliefs, and behaviors with subsequent COVID-19 booster vaccination.
- To test an integrative psychosocial model predicting booster vaccination propensity.
Main Methods:
- A preregistered, stratified online U.S. sample (N=500) completed four assessments from March 2020 to July 2023.
- Path modeling was employed to analyze longitudinal data and identify prospective predictors.
Main Results:
- Greater education, perceived infection risk, flu vaccine history, and primary COVID-19 vaccination predicted booster vaccination.
- Trait openness and less conservative political beliefs indirectly predicted booster vaccination via vaccine intention and primary vaccination propensity.
- Use of reliable information sources indirectly predicted booster vaccination through primary vaccination propensity.
Conclusions:
- An integrative psychosocial model successfully identified direct and indirect pathways influencing COVID-19 booster vaccination.
- Findings offer insights for health communication strategies to promote booster uptake and combat misinformation.
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