Table 1. Participants’ sociodemographic and clinical characteristics (total N = 587).
| Variables | Total (N = 587) | NSSI (N, n = 99) | MSA (M, n = 203) | SSA (S, n = 285) | Statistics | ||
|---|---|---|---|---|---|---|---|
| F/c2 | P | ||||||
| Demographics factor | |||||||
| Age, yr | 30.37 ± 15.84 | 26.91 ± 12.53 | 25.81 ± 11.71 | 34.81 ± 18.09 | 23.68 | < 0.001, N = M < S | |
| Sex (female) | 413 (70.4) | 83 (83.8) | 159 (78.3) | 171 (60.0) | 29.47 | < 0.001, N = M > S | |
| Past historical factor | |||||||
| Previous suicide attempts (yes) | 358 (63.8) | 57 (59.4) | 142 (74.3) | 159 (58.0) | 13.96 | 0.001, M > S | |
| Psychiatric treatment (yes) | 474 (80.9) | 80 (80.8) | 180 (88.7) | 214 (75.4) | 13.58 | 0.001, M > S | |
| Psychiatric hospitalizations (yes) | 168 (30.4) | 26 (29.9) | 68 (35.4) | 74 (27.1) | 3.69 | 0.158 | |
| Characteristics of self-injury | |||||||
| Cutting (yes) | 151 (25.7) | 45 (45.5) | 87 (42.9) | 19 (6.7) | 105.53 | < 0.001, N = M > S | |
| Lethality of injury (higher) | 424 (72.2) | 41 (41.4) | 123 (60.6) | 260 (91.2) | 111.87 | < 0.001, N < M < S | |
| Status at the time of self-injury | |||||||
| Planned (yes) | 61 (10.4) | 1 (1.0) | 13 (6.4) | 47 (16.5) | 24.10 | < 0.001, N = M < S | |
| Alcohol (yes) | 194 (33.3) | 24 (24.2) | 58 (28.9) | 112 (39.6) | 10.47 | 0.005, N = M < S | |
| Suicide note (yes) | 55 (9.6) | 4 (4.1) | 9 (4.6) | 42 (15.1) | 18.44 | < 0.001, N = M < S | |
| Seeking help (yes) | 286 (50.3) | 56 (57.7) | 112 (57.7) | 118 (42.4) | 13.29 | 0.001, N = M > S | |
| Current suicidal ideation and plans | |||||||
| Sustained suicidal ideation (yes) | 54 (72.3) | 54 (55.1) | 160 (80.0) | 199 (72.9) | 20.46 | < 0.001, N < M = S | |
| Future suicidal plans (yes) | 216 (37.8) | 20 (20.6) | 70 (35.0) | 126 (45.8) | 20.37 | < 0.001, N < M = S | |
NSSI = non-suicidal self-injury, MSA = minor intent suicide attempt, SSA = serious intent suicide attempt.