Table 2 Items wording and descriptive statistics, and internal consistency of the PHQ-9 and PHQ-2

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

7 Trouble concentrating on things

8 Moving or speaking so slowly that other people could have noticed

9 Thoughts that you would be better off dead or of hurting yourself

PHQ-9 Total Score

PHQ-2 Total Score