한국판 일반 건강 설문지의 요인 구조
Factor Structure of the 12-Item General Health Questionnaire in the Korean General Adult Population
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참고문헌
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초록
본 연구에서는 지역사회에 거주하는 사람들을 대상으로한국어판 GHQ-12를 실시하였고, 이 자료를 바탕으로 탐색적 요인분석을 실시하여 요인 구조를 확인하였다. 분석 결과‘우울 및 불안’과 ‘사회적 역기능’ 2개의 요인이 추출되었으며, 같이 시행된 CES-D와는 양의 상관관계, EQ-5D와는 음의 상관관계를 보여서 공존타당도를 확인하였다. 한국어판GHQ-12는 향후 지역사회에서 정신건강의 선별조사로 유용하게 사용될 것으로 기대된다.
Abstract
Objectives The 12-item General Health Questionnaire (GHQ-12) has been used extensively in a variety of settings across countries. The objectives of this study were to test the factor structure and internal consistency of the GHQ-12 in the Korean general population and to test relationships among the scales, the Center for Epidemiologic Studies Depression Scale (CES-D) and the EuroQoL-5 Dimension Index (EQ-5D). Methods Data were acquired from a sample of 6,510 Koreans, aged 18 to 64 years old, who were randomly selected based on the 2005 census (2,581 men and 3,929 women). Participants completed the GHQ-12, the CES-D, and the EQ-5D. Exploratory factor analysis was performed for extraction of factor structures of the GHQ-12. Cronbach’s alpha coefficient was used for assessment of internal consistency. Finally, correlation analysis was performed for assessment of the relationships among the three instruments. Results Results of principal axis factoring with oblique rotation solution showed that the GHQ-12 was a measure of psychological distress with a two-factor structure that jointly accounted for 38% of the variance. The internal consistency of the GHQ-12 was high (Cronbach’s α=0.79). Concurrent validity indicated a significant positive correlation with the CES-D (r=0.68, p<0.01) and a significant negative correlation with the EQ-5D(r=-0.36, p<0.01). Conclusion Findings of this study demonstrated that the Korean version of the GHQ-12 has a two-factor structure and is a reliable and valid instrument that can be used for measurement of psychological distress in Korean adults.
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