Malaysian public preferences and decision making for COVID-19 vaccination: A discrete choice experiment

Teh, Hoon Shien and Woon, Yuan Liang and Leong, Chin Tho and Hing, Nicholas Yee Liang and Mien, Teresa Yong Sui and Roope, Laurence S. J. and Clarke, Philip M. and Lim, Lee -Ling and Buckell, John (2022) Malaysian public preferences and decision making for COVID-19 vaccination: A discrete choice experiment. Lancet Regional Health-Western Pacific, 27. ISSN 2666-6065, DOI https://doi.org/10.1016/j.lanwpc.2022.100534.

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Abstract

Low vaccine uptake has the potential to seriously undermine COVID-19 vaccination programs, as very high coverage levels are likely to be needed for virus suppression to return life to normal. We aimed to determine the influence of vaccine attributes (including access costs) on COVID-19 vaccination preferences among the Malaysian public to improve national uptake. Methods An online Discrete Choice Experiment (DCE) was conducted on a representative sample of 2028 Malaysians. Respondents were asked to make vaccination decisions in a series of hypothetical scenarios. A nested, mixed logit model was used to estimate the preferences for vaccination over vaccine refusal and for how those preferences varied between different sub-populations. The attributes were the risk of developing severe side effects of the vaccine, vaccine effectiveness, vaccine content, vaccination schedule, and distance from home to vaccination centre. Findings Reported public uptake of COVID-19 vaccination was primarily influenced by the risk of developing severe side effects (b = -1.747, 95% CI = -2.269,-1.225), vaccine effectiveness (b = 3.061, 95% CI = 2.628, 3.494) and its Halal status (b = 3.722, 95% CI = 3.152, 4.292). Other factors such as appointment timing and travel distance to the vaccination centre also had an effect on vaccine uptake. There was substantial heterogeneity in preferences between different populations, particularly for age groups, ethnicity, regions, and underlying health conditions. Interpretation Perceived effectiveness and side effects are likely to affect COVID-19 vaccine uptake in Malaysia. Halal content is critical to Malays' vaccination choices. Reducing the physical distance to vaccination centres, partic-ularly in rural areas where uptake is lower, is likely to improve uptake. Copyright (c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)

Item Type: Article
Funders: Malaysian government, United States Department of Health & Human Services National Institutes of Health (NIH) - USA
Uncontrolled Keywords: COVID-19; Vaccine; Discrete choice experiment; Uptake; Preference
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 20 Sep 2023 04:21
Last Modified: 20 Sep 2023 04:21
URI: http://eprints.um.edu.my/id/eprint/41362

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