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Depression — PHQ-9
The PHQ-9 is a clinical screening tool for identifying depression symptoms. It assesses symptoms you experienced over the past two weeks.
⚠️ Important Notice
This questionnaire is a screening tool only and is not a diagnosis. If you are having thoughts of self-harm — seek help immediately: call 988 (Suicide & Crisis Lifeline) or go to an emergency room.
📌 Instructions
Rate how often you have been bothered by each symptom over the last 2 weeks — from "Not at all" (0) to "Nearly every day" (3).
📚 Research Basis
- Kroenke, K., Spitzer, R.L., & Williams, J.B.W. (2001). The PHQ-9. JGIM, 16(9), 606–613.
- One of the most widely used tools for depression screening in primary care settings.
9 questions · ~2 minutes · Depression screening