Patient Health Questionnaire

PHQ-9 Depression Screening

9 questions developed by Kroenke, Spitzer & Williams (2001). The PHQ-9 is one of the most widely used depression screening tools in primary care worldwide and is the basis for how many clinicians make a first assessment.

Important

Answer based on the past 2 weeks only. The PHQ-9 measures recent symptoms, not your life overall. If you had a hard time last year but the past two weeks have been okay, your answers should reflect now, not then.

About 2 minutes. No data is saved. Your answers stay in your browser. This is a screening tool, not a diagnosis.