Psychometric properties of a Korean version of the summary of diabetes self-care activities measure

The summary of diabetes self-care activities (SDSCA) questionnaire is one of the most widely used self-report instruments for measuring diabetes self-management in adults. This study aimed to examine the psychometric properties of a Korean version of the SDSCA questionnaire. The 11-item English vers...

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Bibliographic Details
Published in:International journal of nursing studies 2011-03, Vol.48 (3), p.333-337
Main Authors: Choi, Eun Jin, Nam, Moonsuk, Kim, So Hun, Park, Chang Gi, Toobert, Deborah J., Yoo, Ji Soo, Chu, Sang Hui
Format: Article
Language:English
Subjects:
Aged
Asian people
Diabetes
Diabetes Mellitus, Type 2 - psychology
Diabetes Mellitus, Type 2 - therapy
Discriminant analysis
Disease management
Factor analysis
Female
Humans
Koreans
Male
Middle Aged
Nursing
Psychometric properties
Psychometrics
Questionnaires
Republic of Korea
Self Care
Self Efficacy
Selfcare
Selfmanagement
Selfreport
Statistical
Surveys and Questionnaires
Type 2 diabetes mellitus
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Summary:The summary of diabetes self-care activities (SDSCA) questionnaire is one of the most widely used self-report instruments for measuring diabetes self-management in adults. This study aimed to examine the psychometric properties of a Korean version of the SDSCA questionnaire. The 11-item English version of the SDSCA was translated into Korean following the standard translation methodology. The questionnaire was administered to 208 patients with type 2 diabetes. Exploratory and confirmatory factor analyses (EFA and CFA) were carried out for construct validity. Content validity index (CVI), internal consistency and a diabetes management self-efficacy scale (DMSES) were assessed. The CVI of a Korean version of the SDSCA was .83. The EFA yielded a 9-item measure with a four factor solution with the same labels for original scales. The results of CFA showed the goodness of fit in the 9-item Korean SDSCA version (SDSCA-K). The internal consistency of SDSCA-K was moderate (Cronbach's α=.69) and the positive correlation between the SDSCA-K and the DMSES was identified. The current study provides the initial psychometric properties of SDSCA-K modified to 9 items and supports SDSCA-K as a reliable and valid measure of diabetes self-management in Korean patients.
ISSN:0020-7489
1873-491X
DOI:10.1016/j.ijnurstu.2010.08.007