Table 2.
Suicide methods related to violent and non-violent criminality
| Methods of suicide | Crime | HR, 95% CI |
|---|---|---|
| Poisoning (n=278): E950–E952, E980–E982, X60–X69, Y10–Y19 | No crime | 1.0 |
| Non-violent crime | 2.94, 2.26 to 3.81 | |
| Violent crime | 6.92, 4.91 to 9.76 | |
| Hanging/suffocation (n=149): E953, E983, X70, Y20 | No crime | 1.0 |
| Non-violent crime | 1.28, 0.90 to 1.83 | |
| Violent crime | 2.54, 1.47 to 4.40 | |
| Firearm (n=69): E955, E985, X72–X74, Y22–Y24 | No crime | 1.0 |
| Non-violent crime | 1.39, 0.83 to 2.34 | |
| Violent crime | 3.08, 1.44 to 6.60 | |
| Drowning (n=41): E954, E984, X71, Y21 | No crime | 1.0 |
| Non-violent crime | 1.62, 0.82 to 3.20 | |
| Violent crime | 5.17, 2.19 to 12.24 | |
| Jump from heights (n=27): E957, E987, X80, Y30 | No crime | 1.0 |
| Non-violent crime | 3.23, 1.43 to 7.26 | |
| Violent crime | 4.41, 1.21 to 16.00 | |
| Moving train (n=22): E9580, E9880, X81, Y31 | No crime | 1.0 |
| Non-violent crime | 2.07, 0.84 to 5.10 | |
| Violent crime | 4.40, 1.21 to 15.98 | |
| Cutting (n=16): E956, E986, X79, Y28 | No crime | 1.0 |
| Non-violent crime | 4.61, 1.58 to 13.50 | |
| Violent crime | 2.95, 0.35 to 25.23 | |
| Others (n=13): E958–959, E988–989, X75–X77, X79, X82–X84, Y22–Y24, Y29, Y32–Y34 | No crime | 1.0 |
| Non-violent crime | 2.32, 0.67 to 8.01 | |
| Violent crime | 8.99, 2.15 to 37.63 |
Cox proportional regression analyses.