Standardization of the Korean Version of the Geriatric Depression Scale: Reliability, Validity, and Factor Structure
Standardization of the Korean Version of the Geriatric Depression Scale: Reliability, Validity, and Factor Structure
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DOI:
10.4306/pi.2008.5.4.232
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发表时间:
2008-12-01
影响因子:
2.7
通讯作者:
Woo, Jong Inn
中科院分区:
文献类型:
--
作者:
Kim, Ji Yang;Park, Joon Hyuk;Woo, Jong Inn
Objective We developed a Revised Korean version of the Geriatric Depression Scale (GDS-KR) and examined its reliability, validity, and factor structures. We also estimated its optimal cutoff scores for major depressive disorder (MDD) and minor depressive disorder (MnDD) stratified by age and education.Methods The GDS-KR was administered to 888 Subjects (61 MDD patients, 45 MnDD patients, and 782 normal elders). Its internal consistency and test-retest reliability were examined. Its concurrent validity was evaluated using Pearson correlation coefficients with the Korean version of the Center for Epidemiologic Studies Depression Scale (CES-D-K) and Hamilton Depression Rating Scale (HAM-D). The mean GDS-KR scores of the MDD patients, MnDD patients and normal elders were compared to evaluate its discriminant validity. To evaluate its construct validity, a principal component analysis with varimax rotation was performed. Receiver operator characteristic (ROC) curve analyses were performed to evaluate its diagnostic ability.Results Chronbach's coefficient alpha for the GDS-KR was 0.90 and the test-retest reliability was 0.91 (p