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JOURNAL ARTICLE
RESEARCH SUPPORT, N.I.H., EXTRAMURAL
VALIDATION STUDIES
Kansas City Cardiomyopathy Questionnaire Administered to Hospitalized Patients With Heart Failure.
BACKGROUND AND PURPOSE: The psychometric properties of the Kansas City Cardiomyopathy Questionnaire (KCCQ) have been examined primarily in community-dwelling patients with heart failure (HF). The objective of this research was to examine the properties of the KCCQ administered to patients hospitalized with HF (N = 233).
METHODS: Confirmatory factor analysis, Cronbach's alphas, and correlations were performed to examine the scale's dimensions, reliability, and validity.
RESULTS: Confirmatory factor analysis indicated a 5-factor solution (63.6% of the variance). The Cronbach's alpha levels were greater than .70, except for the self-efficacy dimension (.60). Convergent validity was not verified between the KCCQ and several illness severity measures.
CONCLUSIONS: The psychometric properties of the KCCQ may be different based on the population in which the KCCQ is administered, which may have clinical implications.
METHODS: Confirmatory factor analysis, Cronbach's alphas, and correlations were performed to examine the scale's dimensions, reliability, and validity.
RESULTS: Confirmatory factor analysis indicated a 5-factor solution (63.6% of the variance). The Cronbach's alpha levels were greater than .70, except for the self-efficacy dimension (.60). Convergent validity was not verified between the KCCQ and several illness severity measures.
CONCLUSIONS: The psychometric properties of the KCCQ may be different based on the population in which the KCCQ is administered, which may have clinical implications.
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