Table 1.
Demographic characteristics
| Variables | NSSI+SA (N=27) | NSSI (N=14) | SA (N=39) | Total (N=80) | F or χ2 | p |
|---|---|---|---|---|---|---|
| Age (M/SD) | 22.56 (4.16) | 22.14 (2.21) | 25.28 (5.45) | 23.81 (4.78) | 3.885 | 0.025 |
| Female (N/%) | 20 (74.1) | 6 (42.9) | 15 (38.5) | 41 (51.2) | 8.577 | 0.014 |
| Education (N/%) | 1.983 | 0.739 | ||||
| Middle school | 2 (7.4) | 0 (0) | 1 (2.6) | 3 (3.8) | ||
| High school | 6 (22.2) | 3 (21.4) | 7 (17.9) | 16 (20) | ||
| College>college | 19 (70.4) | 11 (78.6) | 31 (79.5) | 61 (76.3) | ||
| Inoccupation (N/%) | 13 (48.1) | 3 (21.4) | 19 (48.7) | 35 (43.8) | 3.862 | 0.425 |
| Never married (N/%) | 26 (96.3) | 13 (92.9) | 34 (87.2) | 73 (91.3) | 1.716 | 0.424 |
| Hospitalization (N/%) | 17 (63) | 7 (50) | 21 (53.8) | 45 (56.3) | 0.808 | 0.668 |
| Treatment status (N/%)* | 15 (55.6) | 10 (71.4) | 19 (48.7) | 44 (55) | 2.152 | 0.341 |
| Psychiatric disorders | ||||||
| Depressive disorder | 17 (63) | 8 (57.1) | 31 (79.5) | 56 (70) | 3.410 | 0.180 |
| Bipolar disorder | 4 (14.8) | 0 (0) | 2 (5.1) | 6 (7.5) | 3.534 | 0.171 |
| Anxiety disorder | 5 (18.5) | 3 (21.4) | 5 (12.8) | 13 (16.3) | 0.715 | 0.699 |
| PTSD | 1 (3.7) | 0 (0) | 3 (7.7) | 4 (5) | 1.428 | 0.490 |
| Adjustment disorder | 0 (0) | 1 (7.1) | 2 (5.1) | 3 (3.8) | 1.704 | 0.427 |
| Eating disorder | 1 (3.7) | 1 (7.1) | 0 (0) | 2 (2.5) | 2.399 | 0.301 |
| Alcohol use disorder | 3 (11.1) | 0 (0) | 4 (10.3) | 7 (8.8) | 1.642 | 0.440 |
| Substance use disorder | 1 (3.7) | 0 (0) | 1 (2.6) | 2 (2.5) | 0.520 | 0.771 |
| Impulse control disorder | 0 (0) | 0 (0) | 4 (10.3) | 4 (5) | 4.426 | 0.109 |
| Cluster B personality disorder | 12 (44.4) | 3 (21.4) | 4 (10.3) | 19 (23.8) | 10.348 | 0.006 |
| ADHD | 1 (3.7) | 0 (0) | 3 (7.7) | 4 (5) | 1.428 | 0.490 |
| Other disorders | 1 (3.7) | 0 (0) | 3 (7.7) | 4 (5) | 1.428 | 0.490 |
*
treatment status-continuation.
NSSI: non-suicidal self-injury, SA: suicide attempts, PTSD: post-traumatic stress disorder, ADHD: attention deficit hyperactivity disorder