Table 2.
Core depression symptoms assessed by the PHQ-9.
| Over the past 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 |
| 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 of or hurting yourself in some way |