| Psychiatric diseases/number of Suicide attempt | Drugs | Accident and self harm |
| Yes | 174 (81.3%) | 40 (18.7%) |
| no | 502 (90.3%) | 54 (9.7%) |
| Total | 676 (87.8%) | 94 (12.2%) |
| Odds ratio | 0.901 | 1.925 |
| Confidence interval | 0.840 - 0.966 | 1.32 - 2.806 |