Psychometric evaluation of the Persian eHealth Literacy Scale (eHEALS) among elder Iranians with heart failure

Lin, C.-Y., Broström, A., Griffiths, M.D. ORCID: 0000-0001-8880-6524 and Pakpour, A.H., 2019. Psychometric evaluation of the Persian eHealth Literacy Scale (eHEALS) among elder Iranians with heart failure. Evaluation and the Health Professions. ISSN 1552-3918

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Abstract

The purpose of the present study was to examine the psychometric properties of the eHealth Literacy Scale (eHEALS) using classical test theory and modern test theory among elderly Iranian individuals with heart failure (HF). Individuals with objectively verified HF (n=388; 234 males; mean age=68.9±3.4) completed the (i) eHEALS, (ii) Hospital Anxiety and Depression Scale, Short-Form 12, (iii) 9-item European Heart Failure Self-care Behavior Scale, and (iv) 5-item Medication Adherence Report Scale. Two types of analysis were carried out to evaluate the factorial structure of the eHEALS: (i) confirmatory factor analysis (CFA) using classical test theory and (ii) Rasch analysis using modern test theory. A regression model was constructed to examine the associations between eHEALS and other instruments. CFA supported the one-factor structure of the eHEALS with significant factor loadings for all items. Rasch analysis also supported the unidimensionality of the eHEALS with item fit statistics ranging between 0.5 and 1.5. The eHEALS was significantly associated with all the external criteria. The eHEALS is suitable for healthcare providers to assess eHealth literacy for individuals with HF.

Item Type: Journal article
Alternative Title: Psychometric evaluation of the Persian eHealth Literacy Scale (eHEALS) among Iranians with heart failure [working title]
Publication Title: Evaluation and the Health Professions
Creators: Lin, C.-Y., Broström, A., Griffiths, M.D. and Pakpour, A.H.
Publisher: Sage
Date: 11 February 2019
ISSN: 1552-3918
Identifiers:
NumberType
10.1177/0163278719827997DOI
Divisions: Schools > School of Social Sciences
Depositing User: Jonathan Gallacher
Date Added: 14 Jan 2019 09:26
Last Modified: 25 Sep 2019 10:13
URI: http://irep.ntu.ac.uk/id/eprint/35539

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