Depression self-check
The nine questions doctors use to check for depression and how severe it is.
Patient Health Questionnaire (PHQ-9), for Adults. About 2 minutes; your answers never leave your device.
Scores of 5, 10, 15 and 20 mark mild, moderate, moderately severe and severe depression. A score of 10 or more picked up 88% of people with major depression, and 88% of people without it scored below 10.
Patient Health Questionnaire (PHQ-9), developed by Drs Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke and colleagues, with an educational grant from Pfizer Inc. No permission required to reproduce, translate, display or distribute.