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PHQ-9 (Patient Health Questionnaire-9)

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When to use
1. Little interest or pleasure in doing things
Not at all
Several days
More than half the days
Nearly every day
2. Feeling down, depressed, or hopeless
Not at all
Several days
More than half the days
Nearly every day
3. Trouble falling or staying asleep, or sleeping too much
Not at all
Several days
More than half the days
Nearly every day
4. Feeling tired or having little energy
Not at all
Several days
More than half the days
Nearly every day
5. Poor appetite or overeating
Not at all
Several days
More than half the days
Nearly every day
6. Feeling bad about yourself, or that you are a failure, or have let yourself or your family down
Not at all
Several days
More than half the days
Nearly every day
7. Trouble concentrating on things, such as reading the newspaper or watching television
Not at all
Several days
More than half the days
Nearly every day
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
Not at all
Several days
More than half the days
Nearly every day
9. Thoughts that you would be better off dead, or of hurting yourself
Not at all
Several days
More than half the days
Nearly every day
10. 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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