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    The Korean eHealth literacy scale (K-eHEALS): Reliability and validity testing in younger adults recruited online

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    Author
    Chung, S.
    Park, B.K.
    Nahm, E.-S.
    Date
    2018
    Journal
    Journal of Medical Internet Research
    Publisher
    Journal of Medical Internet Research
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://dx.doi.org/10.2196/jmir.8759
    Abstract
    Background: In this digital era, eHealth literacy is an essential skill set to leverage health information available online to promote health outcomes. South Korea has an advanced health information technology infrastructure, including widespread use of the internet and mobile phones. A few studies have explored eHealth literacy in South Korea using translated versions of the eHEALS; however, they were not fully validated. A unified reliable and valid assessment tool is critical to assess and enhance the eHealth literacy level across the population. Objective: The aim was to develop a Korean version of eHealth Literacy Scale (K-eHEALS) and evaluate its reliability and validity employing healthy young adults in Korea. Methods: The K-eHEALS was developed based on eHEALS, a widely used tool that measures eHealth literacy, and was validated using a sample of 500 young adults recruited from a pool of a Korean internet survey panel. Content validity was assessed using the content validity index (CVI) for individual items and for scale. Construct validity was examined using exploratory factor analysis and hypothesis testing. The Cronbach alpha coefficient was used to determine the internal consistency and the Pearson correlation coefficient was used to evaluable the stability of the measure (n=55). Results: Both individual and scale CVIs were acceptable (individual CVIs>0.67; scale CVI=0.83). Single factors accounting for 50.3% of the variance in the scales were extracted revealing the unidimensional latent structure of K-eHEALS. Hypothesis testing showed significant association between eHealth literacy and hours of internet use per day, supporting the construct validity. Items of the K-eHEALS were internally consistent (Cronbach alpha=.88) and stable over a 1-month period (r=.754, P<.001). Conclusions: The findings of this study suggest that K-eHEALS is a valid and reliable measure of eHealth literacy in Korean young adults. Additional studies are needed with more diverse groups of adults in Korea. Copyright SeonYoon Chung, Bu Kyung Park, Eun-Shim Nahm.
    Sponsors
    This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MISP) (No: NRF-2016R1C1B2013649).
    Keyword
    EHEALS
    EHealth
    Literacy
    Reliability
    Validity
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85047739035&doi=10.2196%2fjmir.8759&partnerID=40&md5=e8b59ea6f4b9e24eca1509e455d3e487; http://hdl.handle.net/10713/8892
    ae974a485f413a2113503eed53cd6c53
    10.2196/jmir.8759
    Scopus Count
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