Table 2 Characteristics of NSSI reported on the VISA
From: Contributors to nonsuicidal self-injury in incarcerated youth
|  | Overall (n = 358) | Males (n = 242) | Females (n = 116) | |||
|---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | ||||
Any NSSIa | Nonsuicidal cutting | Any NSSI | Nonsuicidal cutting | Any NSSI | Nonsuicidal cutting | |
Lifetime | 92 (25.7) | 49 (13.7) | 55 (22.7) | 28 (11.6) | 37 (31.9) | 21 (18.1) |
Past year | 43 (12.0) | 20 (5.6) | 28 (11.6) | 11 (6.0) | 15 (12.9) | 9 (7.8) |
Age of onset (mean, sd)b | – | 13.0 (2.1) | – | 13.0 (2.0) | – | 13.1 (2.4) |
Nonsuicidal cutting on 6+ days in past yearb | – | 3 (15.0) | – | 3 (27.3) | – | 0 (0.0) |
Made an average of 6+ cuts for past-year nonsuicidal cuttingb | – | 6 (30.0) | – | 5 (45.5) | – | 1 (11.1) |
Tried to hide past-year NSSI | 24 (38.5) | 22 (54.5) | 10 (27.8) | 10 (45.5) | 14 (45.2) | 14 (63.6) |
Past-year NSSI resulted in injury | 38 (56.7) | 28 (75.7) | 17 (47.2) | 13 (81.3) | 21 (67.7) | 15 (71.4) |
Past-year NSSI required medical attention | 18 (26.9) | 9 (24.3) | 5 (16.1) | 2 (12.5) | 13 (41.9) | 7 (33.3) |