Patient Health Questionnaire ( PHQ-9)
For Depression
It is not a screening tool for depression but it is used to monitor the severity of depression and response to treatment. However, it can be used to make a tentative diagnosis of depression in at-risk populations.
Over the last 2 weeks, how often have you been bothered
by any of the following problems?
Not at all = 0
Several days = 1
More than half the days = 2
Nearly every day = 3
1. Little interest or pleasure in doing things
0 1 2 3
2. Feeling down, depressed, or hopeless
0 1 2 3
3. Trouble falling or staying asleep, or sleeping too much
0 1 2 3
4. Feeling tired or having little energy
0 1 2 3
5. Poor appetite or overeating
0 1 2 3
6. Feeling bad about yourself or that you are a failure or
have let yourself or your family down
0 1 2 3
7. Trouble concentrating on things, such as reading the
newspaper or watching television
0 1 2 3
8. Moving or speaking so slowly that other people could
have noticed. Or the opposite being so figety or
restless that you have been moving around a lot more
than usual
0 1 2 3
9. Thoughts that you would be better off dead, or of
hurting yourself
0 1 2 3
Total Score Depression Severity
1-4 Minimal depression
5-9 Mild depression
10-14 Moderate depression
15-19 Moderately severe depression
20-27 Severe depression