Global intention of the general public to undergo COVID-19 vaccination: time trends and risk factors for vaccine refusal, a Systematic Review and Meta-analysis
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Background: Knowledge of facilitators and barriers regarding the uptake of COVID-19 vaccination at a global population level is critical for combating the pandemic, saving lives, and protecting the economy. The aim of this work was to determine the proportion of people likely to accept or refuse to undergo COVID-19 vaccination. This study also investigated (a) time trends regarding the intention to undergo COVID-19 vaccination and (b) socio-demographic risk factors influencing vaccine refusal. Methods: Databases (01 March 2020-01 March 2021) searched included PubMed, MEDLINE, and Scopus. The sample size was n ≥1000 and selected studies were those that determined vaccine ‘acceptance’, ‘refusal’ and ‘hesitancy’. A random-effects model was employed to obtain the overall odds ratio (OR) and 95% confidence interval (CI) for socio-demographic predictors for vaccine refusal. Results: A total of 832 citations were screened and 35 studies from 21 countries (n=130,179) were analyzed. The pooled proportion of individuals reporting an intention to vaccinate was 0.70 (95% CI: 0.65 to 0.74; I 2 = 99.68%). The proportion of people intending to vaccinate decreased (regression coefficient = -0.13; p<0.001) during the study period and odds of refusal to vaccinate increased by 1.37-fold (95% CI: 1.33-1.41) during the second half. Risk factors identified for vaccine refusal included being female, rural residence, lower income, and lower level of formal education. Conclusions: A moderate proportion of people showed an intention to receive vaccination, although this declined during the study period. A global and national multi-pronged strategic and targeted approach is urgently needed to enhance vaccination uptake amongst females, those with a relatively lower educational and socioeconomic status, and those in rural areas.
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- Authors
- Parthasarathi, A., Puvvada, R. K., Basappa, S., Krishna, M. T., & P A, M.
- Affiliations
- La Trobe University (AU)
- University Hospitals Birmingham NHS Foundation Trust (GB)
- Venue
- Wellcome Open Research
- Publisher
- F1000 Research Ltd
- Published
- 2022-01-19
- Volume
- 7
- Pages
- 17
- ISSN
- 2398-502X (ISSN-L)
- OpenAlex
- W4205274164
- Cited by
- 7
- References
- 55
- Citations by year
- 2025: 1 · 2023: 2 · 2022: 4
- FWCI
- 0.24
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Wellcome Open Research (publishedVersion, cc-by)
- Funders
- The Wellcome Trust DBT India Alliance ([IA/TSG/19/1/600026])
- Topics
- Social Sciences › Health › Vaccine Coverage and Hesitancy
- Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
- Social Sciences › Psychology › Clinical Psychology › COVID-19 and Mental Health
- Keywords
- COVID-19 vaccination, vaccine acceptance, vaccine refusal, vaccine hesitancy, vaccination intention, temporal trends, sociodemographic risk factors, gender differences, rural residence, socioeconomic status, educational attainment
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