Reliability and validity of the PHQ-9 fo
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Shulin Chen; Helen Chiu; Baihua Xu; Yan Ma; Tao Jin; Manhua Wu; Yeates Conwell
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Article
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2009
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John Wiley and Sons
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English
β 140 KB
π 1 views
## Abstract ## Objective The aim of this study was to examine the reliability and validation of the 9βitem Patient Health Questionnaire (PHQβ9) for lateβlife depression in Chinese primary care. ## Methods In the primary care clinics (PCCs) of Hangzhou city, we recruited 364 older patients (aged