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Delusion-proneness predicts COVID-19 vaccination behavior.
Kasim Acar1,2, Ariadni Karagiannidou1,2, Andreas Olsson2,3
1Centre for Psychiatry Research (CPF), Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Frontiers in Psychiatry
|December 10, 2024
Summary
Higher delusion-proneness correlates with lower COVID-19 vaccination rates and delayed uptake. This trait fuels conspiracy beliefs, impacting public health compliance.
Area of Science:
- Psychology
- Public Health
- Vaccinology
Background:
- Vaccination-related conspiracy ideation reduces public health compliance globally.
- Delusion-proneness trait has been linked to conspiracy beliefs, but its impact on vaccination is unclear.
Purpose of the Study:
- To investigate the association between delusion-proneness and COVID-19 vaccination.
- To determine if delusion-proneness predicts vaccination timing.
Main Methods:
- Assessed delusion-proneness using Peters et al. Delusions Inventory (PDI) in 273 subjects.
- Examined associations with COVID-19 vaccination status and time to vaccination.
- Utilized path analyses and exploratory text analysis.
Main Results:
- Unvaccinated subjects exhibited higher delusion-proneness than vaccinated subjects (p<0.001).
- Among vaccinated individuals, higher delusion-proneness correlated with longer time to vaccination (p<0.001).
- Delusion-proneness mediated vaccination delays through COVID-19 conspiracy ideation.
Conclusions:
- Delusion-proneness is a significant factor in developing COVID-19 vaccine conspiracy beliefs.
- This trait is associated with reduced vaccination rates and delayed vaccination uptake.
- Understanding delusion-proneness is crucial for public health strategies addressing vaccine hesitancy.
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