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Development and a Psychometric Evaluation of Cardiovascular Disease-Specific Quality of Life Scale for Koreans

Other Title
한국 심혈관질환 특이형 삶의 질 측정도구 개발 및 평가
Authors
이, 은현; 탁, 승제; 신, 준한; 이, 영휘; 송, 라윤
Citation
Taehan Kanho Hakhoe chi, 37(3):313-323, 2007
Journal Title
Taehan Kanho Hakhoe chi; Journal of Korean Academy of Nursing; 대한간호학회지
ISSN
1598-2874
Abstract
Purpose:Health-related quality of life (HRQOL) in patients with cardiovascular disease in Korea has rarely been studied, mostly due to the lack of a psychometrically validated disease-specific instrument. The purpose of this study was to develop and validate a cardiovascular specific-HRQOL questionnaire (CD-QOL).



Methods:The CD-QOL was developed and validated as follows; item generation, pilot study, and psychometric tests. Patients were recruited from three-university hospitals. The patients were asked to complete the preliminary questionnaire comprising the content-validated items, SF-36, and CES-D. The NYHA and KASI classifications were used to classify the functional performance of the patients. The data was analyzed using correlation, factor analysis, multidimensional scaling, multitrait/multi-item matrix, ANOVA, and Cronbach’’s alpha.



Results:Preliminarily, thirty-nine items were generated. Factor analysisextracted a five-factor solution with a total of twenty-two items. One item was deleted based upon the MDS. The remaining items were moderately correlated with the subscales of the SF-36 and associated with depression measured with the CES-D. The mean scores of patients in NYHA and KASI class I were significantly higher than those in NYHA and KASI class II or/and III, which suggested patients with better functional performance were likely to have a better HRQOL. Cronbach’’s alphas of the total and subscales were all greater than 0.70.



Conclusions:The CD-QOL is a easily applicable instrument with excellent psychometric properties of content, criterion, factorial, convergent, and known-groups validity, and internal consistency reliability in Korean patients with cardiovascular disease.
Keywords
건강관련 삶의 질심혈관질환신뢰도타당도Health related quality of lifeCardiovascular diseaseReliabilityValidity
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Cardiology
Journal Papers > Graduate School of Public Health > Public Health
AJOU Authors
이, 은현탁, 승제신, 준한
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