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KMID : 0384320070280020114
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Korean Journal of Family Medicine
2007 Volume.28 No. 2 p.114 ~ p.119
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Standardization of the Korean Version of Patient Health Questionnaire-9 as a Screening Instrument for Major Depressive Disorder
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Choi Hong-Seok
Choi Ji-Ho
Park Ki-Ho
Joo Kyu-Jin
Ga Hyuk
Koh Hee-Jeong
Kim Sung-Ryul
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Abstract
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Background: Depression is the most frequently encountered mental disorder in primary care. In it is necessary to order to, have a screening tool has high sensitivity and specificity and consumes less time. Therefore, the aim of this study was to assess the validity of the Korean version of Patient Health Questionnaire-9 (PHQ-9).
Methods: A convenience sample of 160 ambulatory patients in a family practice clinic at Inha university hospital and the health care center at Bakae hospital received the Korean version of PHQ-9. Then the subjects were interviewed by a resident of family medicine according to DSM- IV criteria. The sensitivity, the specificity, the likelihood ratio, the ROC curve, the validity and the reliability of the Korean version of PHQ-9, and the consumptive time were examined.
Results: There were 22 pationts in the depression group and 138 in the non-depression group. The Cronbach’s α was 0.852. The sensitivity and the specificity were 81.8% and 89.9%, respectively, and the positive likelihood ratio was 8.10. The area under curve had an excellent value, 0.944 (P＜0.05). The consumptive time was 2.66±1.13 minutes.
Conclusion: The Korean version of PHQ-9 hay a good reliability and validity, less consumptive time, and easy calculating score. Therefore, the Korean version of PHQ-9 seems to be a useful measure for detecting depression in primary care. (J Korean Acad Fam Med 2007;28:114-119)
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KEYWORD
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depression, screening, PHQ, sensitivity, specificity, validity
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