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- Title
Validation of the nine-item Patient Health Questionnaire to screen for major depression in a Chinese primary care population.
- Authors
Chen, Shulin; Fang, Yu; Chiu, Helen; Fan, Hainan; Jin, Tao; Conwell, Yeates
- Abstract
Introduction The aim of this study was to examine the reliability and validity of the nine-item Patient Health Questionnaire ( PHQ-9) for screening depression in Chinese primary care settings. Methods In 100 randomly selected primary care clinics ( PCC) of Hangzhou city, we recruited 2,639 patients (aged ≥18 years) and applied the PHQ-9 to screen for depression. Then, 280 of them were further interviewed with the Structured Clinical Interview for Diagnostic and Statistical Manual Disorders ( SCID) for the diagnosis of major depression. Statistical analysis of the demographic data, reliability, validity and receiver-operator curve were performed. Results The mean administration time was 7 minutes, and the Cronbach's α was 0.89. The optimal cutoff score of 10 on the PHQ-9 revealed a sensitivity of 0.87, specificity of 0.81, and positive likelihood ratio of 5.04. The area under the receiver-operator curve in this study was 0.91 (95% confidence interval, 0.87-0.94). Discussion The PHQ-9 performs well and has acceptable psychometric properties for screening of patients with depression in a Chinese primary care population.
- Subjects
CHINA; MEDICAL screening; QUESTIONNAIRES; DIAGNOSIS of mental depression; PRIMARY care; DEMOGRAPHIC surveys; PSYCHOMETRICS
- Publication
Asia-Pacific Psychiatry, 2013, Vol 5, Issue 2, p61
- ISSN
1758-5864
- Publication type
Article
- DOI
10.1111/appy.12063