期刊
INTERNATIONAL JOURNAL OF MENTAL HEALTH AND ADDICTION
卷 20, 期 3, 页码 1824-1833出版社
SPRINGER
DOI: 10.1007/s11469-021-00483-5
关键词
Depression; PHQ-2; PHQ-9; WHO-5; Cut-off points
This study validated and assessed the reliability of several depression screening tools used by Iranian students, determining the optimal cut-off point for the PHQ-9 in screening mild depression. The results showed that the PHQ-9 had high sensitivity and specificity in this population.
This study aimed to investigate the validity, reliability, and optimal cut-off points for the Patient Health Questionnaire-2 (PHQ-2), Patient Health Questionnaire-9 (PHQ-9), and Well-being Index (WHO-5) to screen mild depression among 400 Iranian students who completed these tools and Beck Depression Inventory (BDI-13). Further, a psychiatrist diagnosed the depression by using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders. The validity and internal consistency of tools assessed and the accuracy were computed using the receiver operating characteristic (ROC) and area under the curve (AUC). The internal consistency values of PHQ-2, PHQ-9, and WHO-5 were .73, .88, and .94, respectively. The PHQ-2 (.53), PHQ-9 (.60), and WHO-5 (.54) were significantly associated with the BDI. The PHQ-2, PHQ-9, and WHO-5 had optimal cut-off points of 2, 5, and 9 with an AUC of .809, .851, and .823, respectively. Based on these findings, it is recommended to use the PHQ-9 for mild depression screening among medical university students in Iran because of its high sensitivity and specificity.
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