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Reliability and validity of the korean version of the cornell scale for depression in dementia.
Psychiatry Investig 2012; 9(4):332-8PI

Abstract

OBJECTIVE

The aim of this study was to explore the reliability and validity of the Korean version of the Cornell Scale for Depression in Dementia (CSDD-K), a scale for assessment of depression in dementia.

METHODS

The original CSDD was translated into Korean and the content was verified through back-translation procedures. This study included 59 depressive patients with Alzheimer's disease (AD), 62 non-depressive patients with AD and 36 healthy elderly controls. The subjects were assessed using CSDD-K, the 17-item Hamilton Depression Rating Scale (HAM-D(17)), the 15-item Korean version of Geriatric Depression Scale (GDS(15)) and the Korean version of Mini-mental Status Examination (MMSE-K).

RESULTS

In the reliability test, Cronbach's α coefficient and test-retest reliabilities were 0.92 and 0.91, respectively, indicating that the CSDD-K has good internal consistency. There were significant differences in CSDD-K total scores between AD patients with depression and AD patients without depression (p<0.001). In the analysis of the concurrent validity of the CSDD-K, there were significant correlations between the CSDD-K and HAM-D(17) (r=0.91, p<0.001) and between the CSDD-K and GDS(15) (r=0.75, p<0.001). ROC curve analysis identified a cut-off score of 7 for the CSDD-K, where the sensitivity was 87.5% and the specificity was 100%. Factor analysis resulted in a four-factor solution accounting for 63.8% of the common variance.

CONCLUSION

The CSDD-K showed good reliability and validity for the assessment of depressive symptom severity in AD patients. The CSDD-K is a useful instrument for assessing AD patients with depressive symptoms in Korean ethnic population.

Authors+Show Affiliations

Department of Psychiatry, St. Vincent Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea. ; Catholic Argo-Medical Center, The Catholic University of Korea, Seoul, Republic of Korea.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

23251196

Citation

Lim, Hyun Kook, et al. "Reliability and Validity of the Korean Version of the Cornell Scale for Depression in Dementia." Psychiatry Investigation, vol. 9, no. 4, 2012, pp. 332-8.
Lim HK, Hong SC, Won WY, et al. Reliability and validity of the korean version of the cornell scale for depression in dementia. Psychiatry Investig. 2012;9(4):332-8.
Lim, H. K., Hong, S. C., Won, W. Y., Hahn, C., & Lee, C. U. (2012). Reliability and validity of the korean version of the cornell scale for depression in dementia. Psychiatry Investigation, 9(4), pp. 332-8. doi:10.4306/pi.2012.9.4.332.
Lim HK, et al. Reliability and Validity of the Korean Version of the Cornell Scale for Depression in Dementia. Psychiatry Investig. 2012;9(4):332-8. PubMed PMID: 23251196.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Reliability and validity of the korean version of the cornell scale for depression in dementia. AU - Lim,Hyun Kook, AU - Hong,Seung Chul, AU - Won,Wang Youn, AU - Hahn,Changtae, AU - Lee,Chang Uk, Y1 - 2012/11/12/ PY - 2012/07/04/received PY - 2012/07/23/revised PY - 2012/08/01/accepted PY - 2012/12/20/entrez PY - 2012/12/20/pubmed PY - 2012/12/20/medline KW - CSDD-K KW - Dementia KW - Depression KW - Reliability KW - Validity SP - 332 EP - 8 JF - Psychiatry investigation JO - Psychiatry Investig VL - 9 IS - 4 N2 - OBJECTIVE: The aim of this study was to explore the reliability and validity of the Korean version of the Cornell Scale for Depression in Dementia (CSDD-K), a scale for assessment of depression in dementia. METHODS: The original CSDD was translated into Korean and the content was verified through back-translation procedures. This study included 59 depressive patients with Alzheimer's disease (AD), 62 non-depressive patients with AD and 36 healthy elderly controls. The subjects were assessed using CSDD-K, the 17-item Hamilton Depression Rating Scale (HAM-D(17)), the 15-item Korean version of Geriatric Depression Scale (GDS(15)) and the Korean version of Mini-mental Status Examination (MMSE-K). RESULTS: In the reliability test, Cronbach's α coefficient and test-retest reliabilities were 0.92 and 0.91, respectively, indicating that the CSDD-K has good internal consistency. There were significant differences in CSDD-K total scores between AD patients with depression and AD patients without depression (p<0.001). In the analysis of the concurrent validity of the CSDD-K, there were significant correlations between the CSDD-K and HAM-D(17) (r=0.91, p<0.001) and between the CSDD-K and GDS(15) (r=0.75, p<0.001). ROC curve analysis identified a cut-off score of 7 for the CSDD-K, where the sensitivity was 87.5% and the specificity was 100%. Factor analysis resulted in a four-factor solution accounting for 63.8% of the common variance. CONCLUSION: The CSDD-K showed good reliability and validity for the assessment of depressive symptom severity in AD patients. The CSDD-K is a useful instrument for assessing AD patients with depressive symptoms in Korean ethnic population. SN - 1738-3684 UR - https://www.unboundmedicine.com/medline/citation/23251196/Reliability_and_validity_of_the_korean_version_of_the_cornell_scale_for_depression_in_dementia_ L2 - http://psychiatryinvestigation.org/journal/view.php?doi=10.4306/pi.2012.9.4.332 DB - PRIME DP - Unbound Medicine ER -