Patient Health Questionnaire-9 (PHQ-9)
The gold-standard 9-item clinical instrument evaluating DSM-5 depressive symptom severity and neurovegetative manifestations over the past 2 weeks.
Scientific ReferenceDOI / Peer-Reviewed Paper ↗
Kroenke, K., Spitzer, R. L., & Williams, J. B. (2001). The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine, 16(9), 606–613.
📖 Spitzer, R. L., Kroenke, K., & Williams, J. B. (1999). Patient Health Questionnaire Primary Care Study Group. Validation and utility of a self-report version of PRIME-MD.•⏱ ~4 min•v1
Question 1 of 90%
Little interest or pleasure in doing things