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Development and psychometric properties of the health belief scales toward covid-19 vaccine in ho chi minh city, vietnam

Huynh Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Viet Nam|
An Le (57224995629) | Vien Truong (57225703784); Pham | Han Thi Ngoc (57223018348); Nguyen Family Medicine Training Center, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Viet Nam| Giao (57207243343); Nguyen Infection Control Department, University Medical Center Ho Chi Minh City, Ho Chi Minh City, Viet Nam|

Risk Management and Healthcare Policy Số , năm 2021 (Tập 14, trang 2517-2526)

ISSN: 11791594

ISSN: 11791594

DOI: 10.2147/RMHP.S301645

Tài liệu thuộc danh mục:

Article

English

Từ khóa: SARS-CoV-2 vaccine; adult; Article; confirmatory factor analysis; construct validity; content validity; coronavirus disease 2019; cross-sectional study; exploratory factor analysis; female; health belief; Health Belief Model; human; internal consistency; life threat; male; psychometry; risk benefit analysis; Viet Nam
Tóm tắt tiếng anh
Background: Beliefs of an individual about health conditions can play an important role in contributing to their behavior concerning good and bad health practices. The aim of this study was to develop and assess a set of vaccination belief scales in relation to COVID-19 vaccines. Methods: A cross-sectional study was conducted between July 2020 and January 2021 using a systematic random sampling of 425 adult outpatients at two hospitals in Ho Chi Minh City, Vietnam. An instrument was designed based on the dimensional structure and wording of the health belief model (HBM), which was followed by the assessment of the instrument’s internal consistency and the construct validity. Results: The 15-item instrument showed the content validity index (CVI) of scales reached a value of 1.0. Exploratory factor analysis was performed on the first sample (n = 170) and extracted 12 out of 15 draft items in a four-factor model (threat of disease, perceived benefits, perceived barriers, and cues to action) that accounted for 68.3% of the total variance. Cronbach’s alpha coefficient of 0.765 showed as satisfactory. Following this, the confirmatory factor analysis in the remaining sample (n = 255) found a good fit between a four-factor model and a theoretical model of HBM with acceptable values of fit indices. Conclusion: Beliefs scales for COVID-19 vaccination have been determined to be valid and reliable. They can be a helpful instrument for health educators to use for assessing immunization beliefs of individuals and the public where there is the need to implement new vaccines, such as the COVID-19 vaccine, before they are used more widely across the community. © 2021 Huynh et al.

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