Table 3.
Group differences in characteristics of suicide attempts
| Variables | NSSI+SA (N=27) | SA (N=39) | Total (N=66) | F or χ2 | p |
|---|---|---|---|---|---|
| Age of onset | 20.91 (2.76) | 23.39 (7.28) | 22.38 (5.95) | 2.417 | 0.126 |
| Frequency | 2.24 (1.26) | 1.59 (1.34) | 1.85 (1.33) | 2.551 | 0.011 |
| Visiting emergency room | 23 (85.2) | 28 (71.8) | 51 (77.3) | 2.732 | 0.255 |
| Methods of suicidal attempt | |||||
| Drug intoxication | 16 (59.3) | 12 (30.8) | 28 (42.4) | 5.302 | 0.021 |
| Hanging | 5 (18.5) | 8 (20.5) | 13 (19.7) | 0.040 | 0.841 |
| Jumping | 2 (7.4) | 9 (23.1) | 11 (16.7) | 2.821 | 0.093 |
| Gas | 6 (22.2) | 12 (30.8) | 18 (27.3) | 0.588 | 0.443 |
| Cutting | 7 (25.9) | 2 (5.1) | 9 (13.6) | 5.860 | 0.015 |
| Etc | 1 (3.7) | 1 (2.6) | 2 (3) | 0.071 | 0.791 |
| Not applicable | 3 (11.1) | 6 (15.4) | 9 (13.6) | 0.247 | 0.619 |
NSSI: non-suicidal self-injury, SA: suicide attempts