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Psychometric Properties of the 9-item European Heart Failure Self-care Behavior Scale Using Confirmatory Factor Analysis and Rasch Analysis Among Iranian Patients
Hong Kong Univ Sci and Technol, Peoples R China.
Qazvin Univ Med Sci, Iran; Jonkoping Univ, Sweden.
Jonkoping Univ, Sweden.
Jonkoping Univ, Sweden.
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2018 (English)In: Journal of Cardiovascular Nursing, ISSN 0889-4655, E-ISSN 1550-5049, Vol. 33, no 3, p. 281-288Article in journal (Refereed) Published
Abstract [en]

Background: The 9-item European Heart Failure Self-Care Behavior scale (EHFScB-9) is a self-reported questionnaire commonly used to capture the self-care behavior of people with heart failure (HF). Objective: The aim of this study was to investigate the EHFScB-9s factorial structure and categorical functioning of the response scale and differential item functioning (DIF) across subpopulations in Iran. Methods: Patients with HF (n = 380; 60.5% male; mean [SD] age, 61.7 [9.1] years) participated in this study. The median (interquartile range) of the duration of their HF was 6.0 (2.4-8.8) months. Most of the participants were in New York Heart Association classification II (NYHA II, 61.8%); few of them had left ventricular ejection fraction assessment (11.3%). All participants completed the EHFScB-9. Confirmatory factor analysis was used to test the factorial structure of the EHFScB-9; Rasch analysis was used to analyze categorical functioning and DIF items across 2 characteristics (gender and NYHA). Results: The 2-factor structure ("adherence to regimen" and "consulting behavior") of the EHFSCB-9 was confirmed, and the unidimensionality of each factor was found. Categorical functioning was supported for all items. No items displayed substantial DIF across gender (DIF contrast, -0.25-0.31). Except for item 3 ("Contact doctor or nurse if legstfeet are swollen"; DIF contrast, -0.69), no items displayed substantial DIF across NYHA classes (DIF contrast, -0.40 to 0.47). Conclusions: Despite the DIF displayed in 1 item across the NYHA classes, the EHFScB-9 demonstrated sound psychometric properties in patients with HF.

Place, publisher, year, edition, pages
LIPPINCOTT WILLIAMS & WILKINS , 2018. Vol. 33, no 3, p. 281-288
Keywords [en]
confirmatory factor analysis; heart failure; Rasch; self-care behavior scale
National Category
Nursing
Identifiers
URN: urn:nbn:se:liu:diva-150299DOI: 10.1097/JCN.0000000000000444ISI: 000440243400021PubMedID: 28858887OAI: oai:DiVA.org:liu-150299DiVA, id: diva2:1239515
Available from: 2018-08-16 Created: 2018-08-16 Last updated: 2019-06-27

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Franzén Årestedt, KristoferStrömberg, Anna

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Franzén Årestedt, KristoferStrömberg, AnnaJaarsma, Tiny
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Division of Nursing ScienceFaculty of Medicine and Health SciencesDepartment of Cardiology in LinköpingDivision of Nursing Science
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Journal of Cardiovascular Nursing
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