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%T Psychometric properties of the German revised version of the eHealth literacy scale in individuals with cardiac diseases: Validation and test of measurement invariance %A Bäuerle, Alexander %A Marsall, Matthias %A Jahre, Lisa Maria %A Rammos, Christos %A Mallien, Charlotta %A Skoda, Eva-Maria %A Rassaf, Tienush %A Lortz, Julia %A Teufel, Martin %J Digital Health %P 1-10 %V 9 %D 2023 %K eHEALS; eHealth; cardiovascular diseases; cardiac disease; health information; health literacy; measurement invariance; Die Skala Impulsives-Verhalten-8 (I-8) (ZIS 183) %@ 2055-2076 %~ FDB %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-94949-1 %X 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. %C USA %G en %9 Zeitschriftenartikel %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info