Adapting the Motors of Influenza Vaccination Acceptance Scale into the Motors of COVID-19 Vaccination Acceptance Scale: Psychometric evaluation among mainland Chinese university students |
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| Affiliation: | 1. Chinese Academy of Education Big Data, Qufu Normal University, Qufu, China;2. Department of Rehabilitation Sciences, Faculty of Health & Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong;3. Department of Nursing, College of Medicine, National Cheng Kung University, Tainan, Taiwan;4. Department of Psychiatry, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;5. Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan;6. Department of Occupational Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan;7. Department of Public Health, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan;8. International Gaming Research Unit, Psychology Department, Nottingham Trent University, Nottingham, UK;9. Department of Nursing, School of Health and Welfare, Jönköping University, Jönköping, Sweden;10. Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan |
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| Abstract: | BackgroundCOVID-19 continues to ravage the world with economies and life significantly and negatively affected. Fortunately, there has been significant progress in the production of vaccines to stem the infection. However, with controversies and myths surrounding vaccinations, it is timely to examine individuals’ willingness to vaccinate. The present study adapted the Motors of Influenza Vaccination Acceptance Scale (MoVac-Flu Scale) into the Motors of COVID-19 Vaccination Acceptance Scale (MoVac-COVID19S) for validation and assessed the acceptance of COVID-19 vaccination utilizing the cognitive model of empowerment (CME).MethodsA total of 3145 university students (mean age = 20.80 years; SD = 2.09) were recruited for the present study between January 5 and 16, 2021. Two MoVac-COVID19S scales (9-item and 12-item) were adapted from the MoVac-Flu Scale, an instrument developed using CME. Psychometric tests were conducted to ascertain reliability and validity properties.ResultsThe findings indicated that the MoVac-COVID19S had high internal consistency in both the 9-item version (ω = 0.921) and 12-item version (ω = 0.898). The factor structure of the MoVac-COVID19S (9-item and 12-item versions) corresponded well with CME theory. All the fit indices were satisfactory (comparative fit index = 0.984, Tucker-Lewis index = 0.971, root mean square error of approximation = 0.088, standardized root mean square residual = 0.058) but the 9-item MoVac-COVID had better fit indices than the 12-item MoVac-COVID due to the negative wording effects existing in the 12-item MoVac-COVID19S. The scale had satisfactory known-group validity in both 9-item and 12-item versions.ConclusionsThe MoVac-COVID19S has promising psychometric properties based on internal consistency, factor structure, and known-group validity. |
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| Keywords: | Confirmatory factor analysis COVID-19 Psychometrics Vaccine Young adults |
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