Table 1 Questionnaire to determine levels of depression of dental students (PHQ-9).
Over the last four weeks, how often have you been bothered by any of the following problems? | |||||
|---|---|---|---|---|---|
Not at all | Several days | More than half the days | Nearly every day | ||
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 asleep, 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’re 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 fidgety 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 hurting yourself in some way | 0 | 1 | 2 | 3 | |