Acceptance and Adherence to COVID-19 Vaccination—The Role of Cognitive and Emotional Representations

Simão Pinho, Mariana Cruz, Cláudia Camila Dias, José M. Castro-Lopes and Rute Sampaio
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Simão Pinho: Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
Mariana Cruz: Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
Cláudia Camila Dias: CINTESIS@RISE, MEDCIDS, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
José M. Castro-Lopes: Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
Rute Sampaio: Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal

IJERPH, 2022, vol. 19, issue 15, 1-14

Abstract: Vaccine hesitation is a topic of utmost importance, with the COVID-19 pandemic serving as a clear reminder of its timeliness. Besides evaluating COVID-19 vaccine acceptance in a sample of Portuguese people, this study aims at understanding cognitive and emotional representations related to vaccination, and their influence on vaccination hesitation. A cross-sectional online survey was conducted between 27 December 2020 and 27 January 2021. It assessed cognitive and emotional COVID-19 representations; vaccination status; cognitive and emotional representations of vaccination and perceived necessity and concerns about vaccines. Of 31 × 58 participants, 91% accepted taking a COVID-19 vaccine. Among several other significant findings, women (71.3%) more often considered that the pandemic affected their lives ( p < 0.001) and were more often concerned with being infected ( p < 0.001). Likewise, there were significantly more female participants concerned about taking a COVID-19 vaccine and its possible effects, when compared to the number of male participants ( p < 0.001). The number of participants with a higher education level that were more worried about becoming infected was greater ( p = 0.001), when compared with those less educated. Regarding age groups, people aged 18 to 24 had fewer concerned participants (9.6%), while the number of individuals aged 55 to 64 had the most ( p < 0.001). Somewhat surprisingly, perceiving oneself as extremely informed about COVID-19 was not associated with greater vaccine acceptance (OR = 1.534 [1.160–2.029]; ( p = 0.003)). Moreover, people aged 25 to 64 years old and with lower education level were more likely not to accept vaccination (OR = 2.799 [1.085–7.221]; ( p = 0.033)). Finally, being more concerned about taking a vaccine lowers its acceptance (OR = 4.001 [2.518–6.356]; ( p < 0.001)). Cognitive and emotional representations have a great impact and are reliable predictors of vaccine acceptance. Thus, it is of extreme importance that public health messages be adapted to the different characteristics of the population.

Keywords: COVID-19; vaccination; adherence; cognition; emotion; representations (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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