Patient Health Questionnaire (PHQ-9)

1. Little interest or pleasure in doing things

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

2. Feeling down, depressed, or hopeless

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

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

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

4. Feeling tired or having little energy

 Not at all (0)
 Several days (1) 
 More than half the days (2)
 Nearly every day (3)

5. Poor appetite or overeating

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

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

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

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

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

8. Moving or speaking so slowly that others 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 (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)

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

 Not at all (0)
 Several days (1)
 More than half the days (2)
 Nearly every day (3)