Criteria for referral to medical centres according to length of the questionnaire
| Dimension | Full questionnaire | Abridged questionnaire |
|---|---|---|
| Symptoms | ⩾5 mild or combinations of mild and moderate; ⩾3 moderate; at least 1 severe symptom | At least 3 mild or moderate symptoms or at least 1 severe symptom. |
| GHQ | GHQ-12 score 4/5 | GHQ-4 score 1/2 |
| PTSD | 17 items score of 50 or more | 14 items score > 40 |