The purpose of this study was to examine the reliability and validity of a Geriatric Depression Scale Korea version(GDS-K). GDS-K, BDI and SDS were administered to 176 depressed elderly and 84 nondepressed elderly. The GDS-K was highly correlated with the BDI(r = 0.70) and the SDS(r = 0.63). The median correlation between items of the GDS-K and correcteditem total scores was 0.46, and the mean interitem correlation from the GDS-K was 0.19. The value of Cronbach’s a coefficient was 0.87. The split-half reliability coefficient and test-retest correlation coefficient were 0.78 and 0.90 respectively. The results of testing the validity of the GDS-K examined by the t-test provided evidence for the validity of the scale[t(194.30) = - 6. 30, p < 0.001). The results of examining the sensitivity and the specificity of GDS-K were revealed that cut-off score of 10 yielded a 71.3% sensitivity rate and a 60.6% specificity rate. Also, cut-off score of 12，a discrimination analysis score, yielded 58.0% sensitivity rate and 75.8% specificity rate. To identify the factor structure of GDS-K, we performed the factor analysis. As a result, we found 3 factors in GDS-K, which were labeled as Anti-vitality factor(factor 1), Depression factor(factor 2), and Cognitive function factor(factor 3). The total percents of variance of 3 factors were 43.1%. The suggestions fof GDS-K and the cross cultural consideratons were discussed.

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