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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 α=.904). Principal axis factoring extracted two factors (“Understanding” and “Applying” of HL) and explained 78.3% of total variance (KMO=.872, Bartlett's χ2=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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