Background: China will provide free coronavirus disease 2019 (COVID-19) vaccinations for the entire population . This study analyzed the COVID-19 vaccination willingness rate (VWR) and its determinants under China ’ s free vaccination policy compared to a paid vaccine . (2)
Methods: Data on 2377 respondents were collected through a nationwide questionnaire survey . Multivariate ordered logistic regression models were specified to explore the correlation between the VWR and its determinants . (3)
Results: China ’ s free vaccination policy for COVID-19 increased the VWR from 73.62% to 82.25% of the respondents . Concerns about the safety and side-effects were the primary reason for participants ’ unwillingness to be vaccinated against COVID-19 . Age, medical insurance and vaccine safety were significant determinants of the COVID-19 VWR for both the paid and free vaccine . Income, occupation and vaccine effectiveness were significant determinants of the COVID-19 VWR for the free vaccine . (4)
Conclusions: Free vaccinations increased the COVID-19 VWR significantly . People over the age of 58 and without medical insurance should be treated as the target intervention population for improving the COVID-19 VWR . Contrary to previous research, high-income groups and professional workers should be intervention targets to improve the COVID-19 VWR . Strengthening nationwide publicity and education on COVID-19 vaccine safety and effectiveness are recommended policies for decision-makers.