Vaccines | Free Full-Text | Predictors of Motivation to Receive a COVID-19 Vaccination and the Number of COVID-19 Vaccine Doses Received in Patients with Schizophrenia
The present 1-year follow-up study investigated the factors related to the motivation to receive the COVID-19 vaccine and the number of COVID-19 vaccine doses received among individuals with schizophrenia. We hypothesized that the level of motivation to receive vaccination might vary among individuals with schizophrenia with different sociodemographic and illness characteristics. In addition, we hypothesized that more severe depressive symptoms, self-stigma, and loneliness might predict lower motivation to receive vaccination and receipt of fewer vaccine doses and that greater self-esteem and social support might predict higher motivation to receive vaccination and receipt of more vaccine doses.
A total of 257 (85.7%) individuals participated in the follow-up study, 13 (4.3%) refused to participate in the follow-up study, and 30 (10%) were lost to follow-up. No differences in gender (χ2 = 2.814, p = 0.093), age (t = 0.863, p = 0.389), or number of years of education (t = 0.742, p = 0.459) were observed between those who completed the follow-up survey and those who did not.
This follow-up study discovered that multiple individual, environmental, and individual–environmental interaction factors at baseline predicted motivation to receive vaccination against COVID-19 and the number of vaccine doses received at follow-up among individuals with schizophrenia, as demonstrated in bivariate linear regression analysis models. In multivariate linear regression analysis, being married or cohabitating and greater loneliness at baseline were associated with lower motivation to receive vaccination against COVID-19. Furthermore, greater disorganization at baseline and lower motivation to receive vaccination at follow-up were associated with fewer COVID-19 vaccine doses received at follow-up.
We propose the following suggestions. Individuals with schizophrenia who experience social isolation and loneliness should be the focus of intervention programs aimed at increasing their motivation to receive vaccination against COVID-19. Strategies to enhance social support and reduce the feeling of loneliness can help increase the motivation to receive vaccination against COVID-19 among these individuals. Furthermore, enhancing individuals’ motivation to receive vaccination is essential for the COVID-19 vaccine. Individuals with schizophrenia who exhibit more severe negative symptoms, disorganization, and self-stigma may need special assistance to complete the vaccination process.
4.2. Strengths and Limitations
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