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Publications

Journal Article Epublish

PubMed: 40691165 DOI: 10.1038/s41541-025-01217-7

Global vaccine confidence trends among adults above and below age 65.

NPJ Vaccines 10(1):160

Authors: Bei Liu, Xiyu Zhang, Yongqiang Lai, Tao Sun, Chao Wang, Tianshuo Zhao, Sihui Zhang, Baoguo Shi, Ye Li, Fuqiang Cui

Affiliations

  • Vaccine Research Center, School of Public Health, Peking University, Beijing, China. Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, China. Center for Infectious Diseases and Policy Research & Global Health and Infectious Diseases Group, Peking University, Beijing, China.
  • Research Center of Health Policy and Management, School of Health Management, Harbin Medical University, Harbin, Heilongjiang, China.
  • School of Public Health, Hangzhou Normal University, Hangzhou, China.
  • Hangzhou International Urbanology Research Center & Center for Urban Governance Studies, Hangzhou, China.
  • Department of Economics, School of Economics, Minzu University of China, Beijing, China.
  • School of Public Health, Hangzhou Normal University, Hangzhou, China.
  • Vaccine Research Center, School of Public Health, Peking University, Beijing, China. Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing, China. Center for Infectious Diseases and Policy Research & Global Health and Infectious Diseases Group, Peking University, Beijing, China.

Abstract

This study is interested in global vaccine confidence because it directly impacts vaccination rates and public health outcomes, especially during the COVID-19 pandemic. Furthermore, due to the unique vulnerabilities to vaccine-preventable diseases, misinformation, and access to health information among adults aged 65 and older, understanding vaccine confidence in this population is crucial for developing targeted interventions and improving vaccination rates. The current research is limited by single-country surveys and cross-sectional designs, providing limited insights into these issues. We compared the vaccine confidence between the population over 65 and under 65 in terms of vaccine safety, effectiveness, compatibility with religious beliefs, and importance to children. We employed a hierarchical logistic model, and compared human development index (HDI) values to investigate determinants of vaccine confidence. Vaccine confidence increased between 2015 and 2019, but decreased between 2019 and 2022 across most global regions, exhibiting an inverted U-shaped trend. Population over 65 in high-income countries was more likely to agree on the safety, effectiveness, importance to children, and compatibility of vaccines with religious beliefs than those under 65, with agreement levels exceeding 80% for most aspects. Gender, education, income, and religion influenced vaccine attitudes among adults aged 65 and older. Countries with an HDI exceeding 0.9 consistently demonstrated positive trends in vaccine confidence. This relationship between HDI and vaccine confidence underscores the importance of comprehensive societal development in shaping attitudes toward vaccination. These findings can help develop targeted interventions and policies to improve vaccination rates among older adults.

MeSH

Safety, Vaccines, Income, Vaccination, Aged, Child

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