Public Preferences for a COVID-19 Vaccination Program in Quebec: A Discrete Choice Experiment

Gabin F. Morillon and Thomas G. Poder ()
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Gabin F. Morillon: University of Montreal
Thomas G. Poder: University of Montreal

PharmacoEconomics, 2022, vol. 40, issue 3, No 8, 354 pages

Abstract: Abstract Objectives We aimed to elicit preferences of the French-speaking Quebec population regarding a COVID-19 vaccination program and to characterize individuals with respect to their vaccination behaviors. Methods A discrete choice experiment was conducted in Autumn 2020 via a web-based survey. Its design included seven attributes: vaccine origin, vaccine effectiveness, side effects, protection duration, priority population, waiting time to get vaccinated, and recommender of the vaccine. Utilities were estimated using a mixed-logit model and a latent class logit model. Results Our sample included 1599 individuals. From this total, 119 always chose the opt-out option (7.4%). According to the mixed-logit model, the relative weights of attributes were as follows: effectiveness (28.48%), side effects (23.68%), protection duration (17.41%), vaccine origin (12.75%), recommender (11.96%), waiting time to get vaccinated (3.62%), and priority population (2.11%). Five classes were derived from the latent class logit model. Class 1 (9.13%) wanted to get vaccinated as fast as possible and was composed of uncertain and more vulnerable individuals. Class 5 (25.14%) was similar to the full sample, mostly favoring vaccination. Classes 2 (7.69%) and 4 (15.82%) included “vaccine hesitant and demanding” individuals but were different in their sociodemographic profiles. Finally, “anti-vaccine” and other “vaccine hesitant” individuals were in class 3 (42.21%). Conclusions This study showed the vaccine characteristics that are likely to improve vaccine uptake, which may more easily lead to herd immunity. Different profiles of respondents also showed various levels of acceptance toward a COVID-19 vaccination program, which may help to better understand vaccine hesitancy behaviors.

Date: 2022
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DOI: 10.1007/s40273-021-01124-4

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