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


OBJECTIVE
This study aimed to examine the psychometric properties of a Korean version of the SDSCA questionnaire.


METHODS
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.


RESULTS
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.


CONCLUSIONS
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.
ChoonHae College of Nursing, Republic of Korea.
Eun Jin
EJ
Choi
Moonsuk
M
Nam
So Hun
SH
Kim
Chang Gi
CG
Park
Deborah J
DJ
Toobert
Ji Soo
JS
Yoo
Sang Hui
SH
Chu
D000368:Aged; D003924:Diabetes Mellitus, Type 2 / Q000523:psychology / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011594:Psychometrics; D056910:Republic of Korea; D012648:Self Care; D020377:Self Efficacy; D011795:Surveys and Questionnaires