Patient Health Questionnaire-9 (PHQ-9)

The Patient Health Questionnaire-9 (PHQ-9) is one of the most widely used screening tools for depression in adults. It helps identify the presence and severity of depressive symptoms and can also track treatment progress over time.

Over the last 2 weeks, how often have you been bothered by any of the following problems?

1. Little interest or pleasure in doing things *

2. Feeling down, depressed, or hopeless *

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

other on how

4. Feeling tired or having little energy *

5. Poor appetite or overeating *

6. Feeling bad about yourself — or that you are a failure or have let yourself or your family down *

7. Trouble concentrating on things, such as reading the newspaper or watching television *

8. Moving or speaking so slowly that other people could have noticed? Or the opposite — being so fidgety or restless that you have been moving around a lot more than usual *

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

Total Score:

If you checked off any problems, how difficult have these problems made it for you to do your work, take care of things at home, or get along with other people?

Not difficult at all
Somewhat difficult
Very difficult
Extremely difficult

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