PHQ-9
Psychiatry
Also known as: Patient Health Questionnaire-9 · Gesundheitsfragebogen für Patienten (PHQ-9) · Hasta Sağlığı Anketi-9 · PHQ-9 (Patient Health Questionnaire-9, depression severity)
What it is for
Patient Health Questionnaire-9 (PHQ-9): self-report questionnaire with nine items that score the nine DSM-IV criteria for major depression; it grades depressive symptom severity over the past two weeks.
Classification
| Category | Description |
|---|---|
| Scoring | each item 0 (not at all) to 3 (nearly every day); total 0–27. |
| 0–4 | minimal or no depressive symptoms |
| 5–9 | mild |
| 10–14 | moderate |
| 15–19 | moderately severe |
| 20–27 | severe |
| Item 9 | asks about thoughts of being better off dead or of self-harm. |
| The bands describe symptom severity; the questionnaire alone does not make a diagnosis. |
Source
The PHQ-9: validity of a brief depression severity measure
J Gen Intern Med 2001;16:606–613 (Kroenke K, Spitzer RL, Williams JB)
DOI: 10.1046/j.1525-1497.2001.016009606.x
PMID: 11556941
- Edition
- Kroenke, Spitzer & Williams 2001 (current version; severity bands unchanged)
- Checked on
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