Predictive factors of hesitancy to vaccination against SARS-CoV-2 virus in young adults in Spain : Results from the PSY-COVID study
Mateo Canedo, Corel (Universitat Autònoma de Barcelona)
Sanabria-Mazo, Juan Pablo (Parc Sanitari Sant Joan de Déu)
Comendador Vázquez, Laura (Universitat Autònoma de Barcelona)
Rojas, Juan Sebastián (Universitat Autònoma de Barcelona. Departament de Psicologia Bàsica, Evolutiva i de l'Educació)
Carmona Cervelló, Meritxell (Universitat Autònoma de Barcelona. Departament de Psicologia Bàsica, Evolutiva i de l'Educació)
Crespo-Puig, Neus (Universitat Autònoma de Barcelona. Departament de Psicologia Bàsica, Evolutiva i de l'Educació)
Anyosa, Fiorella (Universitat Autònoma de Barcelona. Departament de Psicologia Bàsica, Evolutiva i de l'Educació)
Selva Olid, Clara (Universitat Oberta de Catalunya)
Feliu-Soler, Albert (Universitat Autònoma de Barcelona)
Cardoner, N. (Narcís) (Hospital de la Santa Creu i Sant Pau (Barcelona, Catalunya))
Deus Yela, Juan (Universitat Autònoma de Barcelona)
Luciano, Juan V. (Parc Sanitari Sant Joan de Déu)
Méndez-Ülrich, Jorge Luis (Universitat de Barcelona)
Sanz Ruiz, Antoni (Universitat Autònoma de Barcelona)

Fecha:	2023
Resumen:	Widespread population vaccination against the SARS-CoV-2 virus is a matter of great interest to public health as it is the main pharmacological measure to contain the COVID-19 pandemic. Hesitancy/reluctance to vaccination has become a main barrier to containing the pandemic. Young adults are the age group with the greatest resistance to vaccination, even in countries with the highest vaccination rates during this pandemic. The objective of this study was to identify the main predictive factors of vaccination intention and profile people with hesitancy/reluctance to vaccinate against SARS-CoV-2 virus in young adults living in Spain during the pandemic. A cross-sectional study was conducted based on the administration of an online survey (PSY-COVID-2) that evaluated the intention of vaccination together with a wide range of sociodemographic, social, cognitive, behavioral and affective variables in a sample of 2210 young adults. 14% of the sample showed hesitancy/reluctance to vaccination at the beginning of their vaccination campaign. A total of 35 factors were associated (small to medium effect sizes) with the intention to get vaccinated. A reduced set of 4 attitudinal and social variables explained 41% of the variability in vaccination intention: attitude to the vaccination, trust in health staff/scientists, conspiracy beliefs about SARS-CoV-2 and time spent being informed about COVID-19. These variables showed good sensitivity/specificity for classifying people as reluctant/not reluctant to vaccination, properly classifying 86% of people. Psychosocial processes related to attitudes, trust and information are the main predictors of vaccination intention in a highly reluctant group such as the young adult population.
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	COVID-19 ; Hesitancy ; Reluctance ; Vaccination ; Attitudes ; Beliefs
Publicado en:	Vaccine: X, Vol. 14 (april 2023) , p. 100301, ISSN 2590-1362

DOI: 10.1016/j.jvacx.2023.100301
PMID: 37091731

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