KMID : 1138720180440040099
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Korean Public Health Research 2018 Volume.44 No. 4 p.99 ~ p.109
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Validation of the Measure of Health Literacy for the Elderly
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Chun Hee-Ran
Cho Sung-Il Kim Il-Ho
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Abstract
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Objective: Health literacy (HL) is, defined as ¡°the degree to which individuals have the capacity to obtain, process, and understand basic health information and services needed to make appropriate health decisions.¡± Being old is one of the main risk factors with limited health literacy. This study aims to adapt Chew¡¯s health literacy scale into the Korean language and validate the scale for the use of the elderly.
Methods: Data were drawn from the ¡®2016 Seoul Survey on Elderly Health and Functional Assessment, which includes a total of 725 people aged 60 to 79. The sample was randomly divided into two groups for reliability and validity tests of the modified Chew¡¯s scale of 8 items. The Korean version of the questionnaire was developed by group translation, expert reviews, and forward-backward translation. Exploratory and confirmatory factor analyses were conducted to assess and validate the factor structure of the scale.
Results: Results suggest the two-factor structure (¡°Understanding¡± and ¡°Applying¡± of HL) with 8 items. Exploratory factor analyses of the first sample (n=400) revealed that the internal reliability of the scale was high (Cronbach`s ¥á=.904). Principal axis factoring extracted two factors (¡°Understanding¡± and ¡°Applying¡± of HL) and explained 78.3% of total variance (KMO=.872, Bartlett's ¥ö2=2431.3, df= 28, p<.001). Confirmatory factor analysis of the second sample (n=325) was performed and the two-factor model was supported (GFI=.960, CFI=.979, TLI=.969, RMSEA= 0.075).
Conclusions: This study provides evidence for adequate criterion and validity of the health literacy scale for the community dwelling elderly in Korea
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KEYWORD
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Health literacy measure, Older adults, Reliability, Validity
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