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Psychometric properties of the German revised version of the eHealth literacy scale in individuals with cardiac diseases: Validation and test of measurement invariance
[journal article]
Abstract Background: The internet is most people's primary source of (health) information. However, no validated instrument exists to assess eHealth literacy in the group of patient with cardiac diseases. Objective: The objective of this study was the evaluation of the psychometric properties of the German r... view more
Background: The internet is most people's primary source of (health) information. However, no validated instrument exists to assess eHealth literacy in the group of patient with cardiac diseases. Objective: The objective of this study was the evaluation of the psychometric properties of the German revised version of the eHealth literacy scale (GR-eHEALS) in individuals with coronary artery disease (CAD) and congestive heart failure (CHF). Methods: A cross-sectional study was conducted. N = 455 were included in the statistical analyses. The assessment compromised the GR-eHEALS, medical history, sociodemographic data, and technology-related data. Confirmatory factor analyses, correlational analyses, and tests of measurement invariance were performed. Results: The two-factorial model reached a good model fit. The sub-scales information seeking and information appraisal, as well as the eHealth literacy total score, reached high reliability coefficients. Construct and criterion validity was fully confirmed For the two-factorial model, measurement invariance up to the scalar level could be confirmed regarding the sociodemographic characteristics sex, age, and educational level. Conclusions: This study confirmed the two-factor structure, construct, and criterion validity as well as measurement invariance at the scalar level for sex, age, and educational level of the GR-eHEALS scale in a sample of individuals with CAD and CHF.... view less
Keywords
health; health behavior; heart disease; health care delivery system; competence; Internet; information; circulatory disease; measurement; validity; cross-sectional study
Classification
Medical Sociology
Technology Assessment
Free Keywords
eHEALS; eHealth; cardiovascular diseases; cardiac disease; health information; health literacy; measurement invariance; Die Skala Impulsives-Verhalten-8 (I-8) (ZIS 183)
Document language
English
Publication Year
2023
Page/Pages
p. 1-10
Journal
Digital Health, 9 (2023)
DOI
https://doi.org/10.1177/20552076231194915
ISSN
2055-2076
Status
Published Version; peer reviewed