Development, validity, and reliability of the Japanese version of the 7C of vaccination readiness scale - 30/03/23
, Takako Kojima, MA c, Helena Akiko Popiel, PhD c, Mattis Geiger, PhD d, Yuko Odagiri, MD, PhD a, Shigeru Inoue, MD, PhD aHighlights |
• | The Japanese version of 7C of the vaccination readiness scale was developed. |
• | The validity and reliability of the Japanese scale were assessed. |
• | The Japanese version of the scale showed acceptable validity and reliability. |
Abstract |
Background |
The 7C of the vaccination readiness scale measures the 7 psychological components that structure people's vaccination readiness. We aimed to develop the Japanese version of this scale (7C scale Japanese version) and to assess its validity and reliability.
Methods |
The full and short versions of 7C scale Japanese were developed based on translation guidelines provided by the ISPOR Task Force. An Internet survey, including 709 participants, was performed to assess the scale's validity and reliability within a confirmatory factor analysis (CFA) framework (men: 38.8%, age range: 20-92 years). Invariance analysis using multiple-group CFA was conducted to test cross-cultural validity between participants in this study and those in the 7C original version study. McDonald's omega and intraclass correlation coefficient were calculated to evaluate internal consistency and test-retest reliability, respectively. To clarify the criterion validity, regression analysis, with previous COVID-19 vaccination status as the dependent variable, was performed to calculate pseudo R2.
Results |
The 7C scale Japanese version exhibited good content validity, structural validity, configural invariance, and criterion validity. The results showed good internal consistency, and test-retest reliability, except for the “calculation” component.
Conclusions |
7C scale Japanese version exhibited acceptable reliability and validity; however, “calculation” may be a less reliable subscale.
El texto completo de este artículo está disponible en PDF.Key Words : Vaccine hesitancy, Vaccine acceptance, Measurement, Questionnaire
List of abbreviations : COVID-19, 7C scale, 7C scale Japanese version, COSMIN, 7C scale original version, CFA, CFI, TLI, RMSEA, SRMR, MGCFA, ICC
Esquema
| Funding: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. |
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| Conflict of interests: The authors declare that they have no competing interests. |
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| Authors’ contributions: M.M. and S.I. contributed to the study conception and design. M.M., T.K., H.A.P., M.G., Y.O. and S.I. designed the questionnaire. M.M., and S.I. collected and analyzed the data. M.M. wrote the first draft of the manuscript. All authors were involved in the review of previous versions of the manuscript. All authors have read and approved the final manuscript. |
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| Ethics approval and consent to participate: This study was approved by the Ethics Committee of Tokyo Medical University, Tokyo, Japan (no.: T2021-0265). Informed consent was obtained from all respondents. |
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| Data availability: The datasets used and/or analyzed in this study are available from the corresponding author on reasonable request. |
Vol 51 - N° 4
P. 426-433 - avril 2023 Regresar al número
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