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Korean Journal of Schizophrenia Research 2006;9(2):62-69.
비정신병 환자를 대상으로 한 한국판 총괄기능평가척도(Global Assessment of Functioning Scale)의 신뢰도와 타당도 조사
Jung Seo Yi, MD, PhD1, Bo Ra Woo, MD1, Kyu Young Lee, MD, PhD2, Byung Wook Lee, MD, PhD1, Soo IL Lee, MD, PhD1 and Yong Sik Kim, MD, PhD2,3
Objectives:The aim of this study was to test reliability and validity of the Korean version of the Global Assessment of Functioning Scale (K-GAF).
Methods:We recruited 70 patients with non-psychotic mental disorders. The GAF ratings were done in the original way which was described in the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (GAF-total, GAFT) and 2 other subscales;GAFsymptom (GAFSYM), GAF-dysfunction (GAFDIS). To evaluate the concurrent validity, the Hamilton Depression Rating Scale (HDRS), the Hamilton Anxiety Scale (HAM-A), the Clinical Global Impression (CGI), the Social Adjustment Scale-Self-Report (SAS-SR), the Sheehan Disability Scale (SDS) were used.
Results:The inter-rater reliability of the K-GAF was satisfactory in GAFT (r=0.89), GAFSYM (r=0.81), GAFDIS (r=0.90). K-GAF held a significant concurrent validity in the relation to the HDRS, the HAM-A and the CGI. K-GAF revealed a high correlation with the total score and three subscales of the SDS, and with the total score and three subscales of the SAS-SR, but not with subscales of relatives, spouse and rear.
Conclusion:These findings prove that the K-GAF is a reliable and valid instrument to assess overall functioning of patients with non-psychotic mental disorders, and can be widely and extensively used in clinical practice and researches. (Korean J Schizophr Res 2006;9:62-69)
Key Words: Korean version of the global assessment of functioning scale (K-GAF),Non-psychotic mental disorders,Reliability,Validity
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