| The Patient Health Questionnaire-9의 표준화 예비연구 |
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임경희1 |
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대구경북지방병무청1, 계명대학교 의과대학 정신과2, 계명대학교 의과대학 가정의학과3, 대구가톨릭의대 의학통계학과4, 경남대학교 국문학과5 |
| A Preliminary Study of the Standardization of the Korean Versionof the Patient Health Questionnaire-9 |
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| Abstract |
Background
: The aims of this study were to examine the reliability and the validity of the Korean version of the Patient Health Questionnaire-9 (PHQ-9). Methods : The PHQ-9, Patient Health Questionnaire-2 (PHQ-2), and Center for Epidemiologic Studies Depression Scale (CES-D) were administered to 58 normal subjects and 109 patients (depression 61, anxiety 48). Results : The values of Cronbach's alpha and test-retest correlation coefficient were .936 and .553 (P<.001), respectively. The depressed group yielded higher scores on the PHQ-9 than normal and anxiety groups. The PHQ-9 correlated strongly with PHQ-2 (r=.759) and CES-D (r=.716). The discriminant analysis showed that the hit ratio of PHQ-9 was 90.8%. Sensitivity and specificity were 85% and 52%, respectively. Conclusions : The PHQ-9 showed to be a reliable and valid screening tool for depression. (Korean J Health Promot Dis Prev 2009;9(4):275-281) Key words : Patient Health Questionnaire (PHQ-9), Reliability, Validity, Discrimination analysis |
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