Blackburn, AM, Han, H, Gelpí, R, Stöckli, S, Jeftić, A, Ch'ng, B, Koszałkowska, K, Lacko, D, Milfont, TL, Lee, Y, Consortium, the COVIDiSTRESS II and Vestergren, SK (2023) Mediation Analysis of Conspiratorial Thinking and Anti-Expert Sentiments on Vaccine Willingness. Health Psychology, 42 (4). pp. 235-246. ISSN 0278-6133

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OBJECTIVE: Vaccines are an effective means to reduce the spread of diseases, but they are sometimes met with hesitancy that needs to be understood. METHOD: In this study, we analyzed data from a large, cross-country survey conducted between June and August 2021 in 43 countries (N = 15,740) to investigate the roles of trust in government and science in shaping vaccine attitudes and willingness to be vaccinated. RESULTS: Despite significant variability between countries, we found that both forms of institutional trust were associated with a higher willingness to receive a COVID-19 vaccine. Furthermore, we found that conspiratorial thinking and anti-expert sentiments predicted reduced trust in government and science, respectively, and that trust mediated the relationship between these two constructs and ultimate vaccine attitudes. Although most countries displayed similar relationships between conspiratorial thinking and anti-expert sentiments, trust in government and science, and vaccine attitudes, we identified three countries (Brazil, Honduras, and Russia) that demonstrated significantly altered associations between the examined variables in terms of significant random slopes. CONCLUSIONS: Cross-country differences suggest that local governments' support for COVID-19 prevention policies can influence populations' vaccine attitudes. These findings provide insight for policymakers to develop interventions aiming to increase trust in the institutions involved in the vaccination process. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

Item Type: Article
Additional Information: This is the accepted version of this publication available from Please refer to any relevant terms and conditions.
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Natural Sciences > School of Psychology
Depositing User: Symplectic
Date Deposited: 01 Feb 2023 14:41
Last Modified: 14 Apr 2023 11:04

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