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Psychosocial factors affecting COVID-19 vaccine uptake in the UK: a prospective cohort study (CoVAccS - wave 3)
Preprint
em En
| PREPRINT-MEDRXIV
| ID: ppmedrxiv-22272954
ABSTRACT
BackgroundWe investigated factors associated with COVID-19 vaccine uptake, future vaccination intentions, and changes in beliefs and attitudes over time. MethodsProspective cohort study. 1500 participants completed an online survey in January 2021 (T1, start of vaccine rollout in the UK), of whom 1148 (response rate 76{middle dot}5%) completed another survey in October 2021 (T2, all UK adults offered two vaccine doses). Binary logistic regression analysis was used to investigate factors associated with subsequent vaccine uptake. Content analysis was used to investigate the main reasons behind future vaccine intentions (T2). Changes in beliefs and attitudes were investigated using analysis of variance. FindingsAt T2, 90{middle dot}0% (95% CI 88{middle dot}2%-91{middle dot}7%) of participants had received two doses of a COVID-19 vaccine, 2{middle dot}2% (95% CI 1{middle dot}3%-3{middle dot}0%) had received one dose, and 7{middle dot}4% (95% CI 5{middle dot}9%-8{middle dot}9%) had not been vaccinated. Uptake was associated with higher intention to be vaccinated at T1, greater perceived vaccination social norms, necessity of vaccination, and perceived safety of the vaccine. People who had initiated vaccination reported being likely to complete it, while those who had not yet received a vaccine reported being unlikely to be vaccinated in the future. At T2, participants perceived greater susceptibility to, but lower severity of, COVID-19 (p<0.001), than T1. Perceived safety and adequacy of vaccine information were higher (p<0.001). InterpretationTargeting modifiable beliefs about the safety and effectiveness of vaccination may increase uptake. FundingData collection was funded by a Keele University Faculty of Natural Sciences Research Development award and a Kings COVID Appeal Fund award. Research in contextO_ST_ABSEvidence before this studyC_ST_ABSCOVID-19 vaccination intention was high at the start of the vaccine rollout in the UK. Research suggests that psychosocial factors are associated with vaccine uptake. However, most research on uptake of the COVID-19 vaccine has investigated factors associated with vaccination intention, and used a cross-sectional design. Added value of this studyWe used a prospective cohort study (T1 conducted in January 2021, the start of the UK vaccine rollout; T2 conducted in October 2021, all UK adults offered two vaccine doses) to investigate factors associated with subsequent COVID-19 vaccination. Qualitative data on the main supporting reasons for future vaccination intentions in those partially or not vaccinated were analysed using content analysis. Changes in vaccine beliefs and attitudes (generally and COVID-19 specific) were also analysed. Implications of all the available evidenceIn our sample, more people reported having been vaccinated than had previously reported intending to be vaccinated. Vaccine uptake was strongly associated with previous vaccination intention, perceived social norms of vaccination, and greater perceived necessity and safety of vaccination. Those who had received at least one COVID-19 vaccine reported being likely to complete the schedule, whereas those who had not received a vaccine reported being unlikely to receive a vaccine.
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Texto completo:
1
Coleções:
09-preprints
Base de dados:
PREPRINT-MEDRXIV
Tipo de estudo:
Cohort_studies
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Observational_studies
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Prognostic_studies
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Qualitative_research
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Rct
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Preprint