Table 2.
Information on suicide attempts in younger and older groups.
| Variable |
Younger attempters (n = 333) |
Older attempters (n = 37) |
Total (n = 370) |
χ2, p-value |
|---|---|---|---|---|
| Method of suicide attempt (n [%]) | 6.41, 0.492 | |||
| Drug ingestion | 179 (54.4%) | 24 (64.9%) | 203 (55.5%) | |
| Hanging | 42 (12.8%) | 3 (8.1%) | 45 (12.3%) | |
| CO intoxication | 31 (9.4%) | 1 (2.7%) | 32 (8.7%) | |
| Wrist cutting | 53 (16.1%) | 6 (16.2%) | 59 (16.1%) | |
| Fall down | 12 (3.6%) | 0 (0.0%) | 12 (3.3%) | |
| Stab injury | 7 (2.1%) | 2 (5.4%) | 9 (2.5%) | |
| Neck laceration | 4 (1.2%) | 1 (2.7%) | 5 (1.4%) | |
| Jumping into a car | 1 (0.3%) | 0 (0.0%) | 1 (0.3%) | |
| Precipitating factor for suicide attempt (n [%]) | 47.26, 0.002 | |||
| Interpersonal problems | 143 (43.1%) | 8 (21.6%) | 151 (40.9%) | |
| Economic problems | 73 (22.0%) | 4 (10.8%) | 77 (20.9%) | |
| Physical illness | 19 (5.7%) | 14 (37.8%) | 33 (8.9%) | |
| Work stresses | 20 (6.0%) | 0 (0.0%) | 20 (5.4%) | |
| Others† | 9 (2.7%) | 1 (2.7%) | 10 (2.7%) | |
| None | 10 (3.0%) | 2 (5.4%) | 12 (3.3%) | |
| Unknown | 58 (17.5%) | 8 (21.6%) | 66 (17.9%) | |
| Current psychiatric impression (n [%]) | 0.98, 0.986 | |||
| Major depressive disorder | 215 (77.6%) | 25 (83.3%) | 240 (78.2%) | |
| Schizophrenia | 17 (6.1%) | 1 (3.3%) | 18 (5.9%) | |
| Bipolar disorder | 14 (5.1%) | 1 (3.3%) | 15 (4.9%) | |
| Anxiety disorder | 1 (0.4%) | 0 (0.0%) | 1 (0.3%) | |
| Adjustment disorder | 7 (2.5%) | 1 (3.3%) | 8 (2.6%) | |
| Conversion disorder | 1 (0.4%) | 0 (0.0%) | 1 (0.3%) | |
| None | 22 (7.9%) | 2 (6.7%) | 24 (7.8%) | |
| Alcohol intoxication (yes; n [%]) | 168 (52.3%) | 14 (40.0%) | 182 (51.1%) | 1.92, 0.166 |
| Suicide note (yes; n [%]) | 18 (5.6%) | 1 (2.8%) | 19 (5.3%) | 0.51, 0.473 |
| Past psychiatric Hx (yes; n [%]) | 120 (42.9%) | 8 (29.6%) |
128 (41.7%) | 1.77, 0.183 |
| Previous suicide attempt (yes; n [%]) | 132 (39.6%) | 5 (13.5%) | 137 (37.0%) | 12.83, 0.002 |
| Family Hx of suicide attempt (yes; n [%]) | 18 (6.9%) | 0 (0.0%) | 18 (6.4%) | 1.63, 0.201 |
| Family Hx of psychiatric diseases (death; n, [%]) | 34 (13.0%) | 0 (0.0%) | 34 (12.0%) | 3.326, 0.071 |
| Suicide completion (death; n, [%]) | 18 (5.4%) | 6 (16.2%) | 24 (6.5%) | 6.42, 0.023 |
Chi-square test or Fisher's exact was used.
†
Others: death of an acquaintance, abortion/pregnancy.
Bold type indicates values significant at p < 0.05.
Hx, history.