Abstract
Since China’s launch of the COVID-19 vaccination, the situation of the public, especially the mobile population, has not been optimistic. We investigated 782 factory workers for whether they would get a COVID-19 vaccine within the next 6 months. The participants were divided into a training set and a testing set for external validation conformed to a ratio of 3:1 with R software. The variables were screened by the Lead Absolute Shrinkage and Selection Operator (LASSO) regression analysis. Then, the prediction model, including important variables, used a multivariate logistic regression analysis and presented as a nomogram. The Receiver Operating Characteristic (ROC) curve, Kolmogorov–Smirnov (K-S) test, Lift test and Population Stability Index (PSI) were performed to test the validity and stability of the model and summarize the validation results. Only 45.54% of the participants had vaccination intentions, while 339 (43.35%) were unsure. Four of the 16 screened variables—self-efficacy, risk perception, perceived support and capability—were included in the prediction model. The results indicated that the model has a high predictive power and is highly stable. The government should be in the leading position, and the whole society should be mobilized and also make full use of peer education during vaccination initiatives.
Highlights
As of 11 April 2021, according to the World Health Organization, there are more than 135 million cases of coronavirus disease 2019 (COVID-19) infections and more than
During the previous phase of the epidemic, countries focused on the development of a COVID-19 vaccine, and after the successful launch of the vaccine, vaccination rates have become a global concern as the key to population immunization effectiveness
Acceptability of the COVID-19 vaccine may vary according to several demographic characteristics, among which the individual willingness to vaccinate plays an important role, and a high individual willingness to vaccinate is more likely to increase the acceptability of the COVID-19 vaccine
Summary
As of 11 April 2021, according to the World Health Organization, there are more than 135 million cases of coronavirus disease 2019 (COVID-19) infections and more than. 2.91 million deaths worldwide [1]. To establish an immune barrier and control the COVID19 epidemic in the population, COVID-19 vaccination is a key public health strategy. During the previous phase of the epidemic, countries focused on the development of a COVID-19 vaccine, and after the successful launch of the vaccine, vaccination rates have become a global concern as the key to population immunization effectiveness. Acceptability of the COVID-19 vaccine may vary according to several demographic characteristics, among which the individual willingness to vaccinate plays an important role, and a high individual willingness to vaccinate is more likely to increase the acceptability of the COVID-19 vaccine
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