From Conspiracy to Hesitancy: The Longitudinal Impact of COVID-19 Vaccine Conspiracy Theories on Perceived Vaccine Effectiveness
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Date
Authors
BAEZA RIVERA, MARIA JOSE
Salazar-Fernández, Camila
Baeza-Rivera, María José
Manríquez-Robles, Diego
Salinas-Oñate, Natalia
Sallam, Malik
Salazar-Fernández, Camila
Baeza-Rivera, María José
Manríquez-Robles, Diego
Salinas-Oñate, Natalia
Sallam, Malik
Authors
Date
Datos de publicación:
10.3390/vaccines11071150
Keywords
Vaccine Confidence - Vaccine Conspiracy - Vaccine Effectiveness - Vaccine Efficacy - Sars-cov-2 Vaccine - Adult - Aged - Article - Beliefs About Vaccine Effectiveness Scale - Clinical Assessment - Confirmatory Factor Analysis - Conspiracy Theory - Coronavirus Disease 2019 - Drug Efficacy - Educational Status - Exploratory Factor Analysis - Female - Health Care Policy - Human - Longitudinal Study - Male - Middle Aged - Psychometry - Questionnaire - University Student - Vaccine Hesitancy
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Abstract
The embrace of coronavirus disease 2019 (COVID-19) vaccine conspiracies has been linked to vaccine hesitancy. This study aimed to investigate the relationship between COVID-19 vaccine conspiracy theories and perceived vaccine effectiveness. The study utilized a longitudinal follow-up study in which adults in Chile completed surveys in December 2020 (T1) and May 2021 (T2). The psychometric properties of the five-item instrument on conspiracy theories for the COVID-19 vaccine were evaluated using data from T1 (n = 578). A confirmatory one-factor structure with suitable indicators of reliability was found. The longitudinal analysis (n = 292) revealed that conspiracy theories about the COVID-19 vaccine in T1 were associated with lower beliefs in its effectiveness in T2. However, no significant association was found between beliefs in effectiveness in T1 and conspiracy theories in T2. The study suggests that beliefs in conspiracy theories may temporally precede beliefs in vaccine effectiveness for COVID-19. The results have implications for strategies to address vaccine conspiracy beliefs and their implementation at the public policy level. © 2023 Elsevier B.V., All rights reserved.
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Keywords
Vaccine Confidence , Vaccine Conspiracy , Vaccine Effectiveness , Vaccine Efficacy , Sars-cov-2 Vaccine , Adult , Aged , Article , Beliefs About Vaccine Effectiveness Scale , Clinical Assessment , Confirmatory Factor Analysis , Conspiracy Theory , Coronavirus Disease 2019 , Drug Efficacy , Educational Status , Exploratory Factor Analysis , Female , Health Care Policy , Human , Longitudinal Study , Male , Middle Aged , Psychometry , Questionnaire , University Student , Vaccine Hesitancy
Citation
10.3390/vaccines11071150