Publication
Factors Associated With COVID-19 Non-Vaccination in Switzerland: A Nationwide Study.
Journal Paper/Review - May 22, 2023
Sabatini Serena, Kaufmann Marco, Fadda Marta, Tancredi Stefano, Noor Nazihah, Van Der Linden Bernadette W A, Cullati Stéphane, Frank Irène, Michel Gisela, Harju Erika, Luedi Chantal, Frei Anja, Ballouz Tala, Menges Dominik, Fehr Jan S, Kohler Philipp, Kahlert Christian, Scheu Victor, Ortega Natalia, Chocano-Bedoya Patricia O, Rodondi Nicolas, Stringhini Silvia, Baysson Hélène, Lorthe Elsa, Zufferey Maria Caiata, Suggs L Suzanne, Albanese Emiliano, Vincentini Julia, Bochud Murielle, d'Acremont Valérie, Nusslé Samira Gonseth, Imboden Medea, Keidel Dirk, Witzig Melissa, Probst-Hensch Nicole M, von Wyl Viktor
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Brief description/objective
We compared socio-demographic characteristics, health-related variables, vaccination-related beliefs and attitudes, vaccination acceptance, and personality traits of individuals who vaccinated against COVID-19 and who did not vaccinate by December 2021. This cross-sectional study used data of 10,642 adult participants from the Corona Immunitas eCohort, an age-stratified random sample of the population of several cantons in Switzerland. We used multivariable logistic regression models to explore associations of vaccination status with socio-demographic, health, and behavioral factors. Non-vaccinated individuals represented 12.4% of the sample. Compared to vaccinated individuals, non-vaccinated individuals were more likely to be younger, healthier, employed, have lower income, not worried about their health, have previously tested positive for SARS-CoV-2 infection, express lower vaccination acceptance, and/or report higher conscientiousness. Among non-vaccinated individuals, 19.9% and 21.3% had low confidence in the safety and effectiveness of SARS-CoV-2 vaccine, respectively. However, 29.1% and 26.7% of individuals with concerns about vaccine effectiveness and side effects at baseline, respectively vaccinated during the study period. In addition to known socio-demographic and health-related factors, non-vaccination was associated with concerns regarding vaccine safety and effectiveness.