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E-ISSN : 2733-4538
본 연구에서는 정신장애 환자의 기능손상 정도를 측정하는 척도인 Sheehan Disability Scale (SDS)을 한국어로 번안하고 정신장애 집단과 정상 집단을 대상으로 신뢰도와 타당도를 검증하였다. 내적 일치도 계수(Cronbach α)는 .89였으며, 검사-재검사 신뢰도(r)는 .84로 높게 나타났다. 1요인 모형을 가정한 확인적 요인분석을 실시한 결과 1요인 구조가 적합한 것으로 나타났다. SDS 총점과 Global Assessment of Functioning Scale (GAF) 점수 간의 Pearson 상관계수를 산출한 결과 유의한 상관관계를 보이고 있었다(r=-.29). 변별 타당도를 알아보기 위해 정신장애 환자군과 정상군의 SDS 점수를 비교한 결과 두 집단 간에 통계적으로 유의한 차이가 있었다. 주요우울장애 환자군을 우울증 삽화 반복여부에 따라 SDS 점수를 비교한 결과 반복삽화를 경험한 우울집단의 SDS 총점이 단일삽화 집단의 SDS 총점보다 유의하게 높았다. 같은 우울집단을 대상으로 우울 증상의 심각도에 따라 상-하위 집단을 구성하고 SDS 총점을 비교한 결과 HAM-D 점수가 16점 이상인 상위 집단의 SDS 총점이 HAM-D 점수가 16점 이하인 하위 집단의 SDS 총점에 비해 유의하게 높았다. 끝으로 본 연구의 임상적 의의와 제한점을 논의하였다.
The purpose of this study was to develop a Korean version of the Sheehan Disability Scale(SDS) and to examine its reliability and validity. Results indicated that the coefficient of internal consistency was 0.89 and the coefficient of one week test-retest reliability was 0.84. Though a confirmatory factor analyses, it was found that a one-factor model was sufficient to account for the covariance structure among the three scale items. The Pearson correlation coefficient between SDS scores and scores on the Global Assessment of Functioning Scale (GAF) was -0.29. Further the SDS mean for the psychiatric group was 17.18 (SD=8.66) which was significantly different than that for the normal group. I was also revealed that the SDS mean for major depressive disorder patients with recurrent episodes was significantly higher than those with a single episode. The SDS mean for major depressive disorder patients with Hamilton depression rating scale (HAM-D) scores over 16 was also significantly higher than those with HAM-D scores below 16. Finally, the clinical implications and limitations of this study have been discussed.
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