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KMID : 1177220060090020062
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Korean Journal of Schizophrenia Research
2006 Volume.9 No. 2 p.62 ~ p.69
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Reliability and Validity of the Korean Version of Global Assessment of Functioning Scale in Patients with Non-Psychotic Mental Disorders
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Lee Jung-Seo
Lee Byung-Wook
Kim Yong-Sik
Lee Kyu-Young
Woo Bo-Ra
Lee Soo-Il
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Abstract
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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.
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KEYWORD
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Korean version of global assessment of functioning scale(K-GAF), Non-psychotic mental disorders, Reliability, Validity
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