PHQ-9 (Depression Questionnaire)

Depression screening and severity assessment using Patient Health Questionnaire.

PHQ-9 is a screening tool, not a diagnostic instrument. Results do not replace clinical assessment by a specialist.

1. Little interest or pleasure in doing things

2. Feeling down, depressed, or hopeless

3. Trouble falling or staying asleep, or sleeping too much

4. Feeling tired or having little energy

5. Poor appetite or overeating

6. Feeling bad about yourself — or that you are a failure

7. Trouble concentrating on things

8. Moving or speaking so slowly that other people could have noticed, or being fidgety

9. Thoughts that you would be better off dead or of hurting yourself in some way

About this calculator

PHQ-9 is a validated major depression screening tool in primary care. Each of the 9 items corresponds to a DSM diagnostic criterion.

Formula version: kroenke-2001-v1