From: Contributors to nonsuicidal self-injury in incarcerated youth
 | All participants (N = 358) n (%) | No self-injury (N = 266) n (%) | Lifetime NSSI (n = 92) n (%) | Lifetime nonsuicidal cuttinga (n = 49) n (%) |
---|---|---|---|---|
Female | 116 (32.4) | 79 (29.7) | 37 (40.2) | (21) 42.9 |
Age (in years)b | 17.2 (1.7) | 17.3 (1.7)** | 16.8 (1.8) | 16.7 (1.9) |
Highest academic gradeb | 9.7 (1.6) | 9.7 (1.5) | 9.6 (1.6) | 9.7 (1.9) |
White (vs nonwhite) | 171 (47.8) | 110 (41.4) | 61 (66.3)*** | 41 (83.7)*** |
Repeat offender status | 325 (91.8) | 241 (91.3) | 84 (93.3) | 44 (89.8) |
Age at first offense (in years) b | 13.0 (1.8) | 12.9 (1.7) | 13.1 (1.8) | 13.1 (1.7) |
Interpersonal offense | 179 (50.1) | 136 (51.3) | 43 (46.7) | 25 (51.0) |
Mental health disorder or condition | ||||
 Any disorder | 176 (49.2) | 112 (42.1) | 64 (69.6)*** | 30 (61.2)* |
 Post-traumatic Stress Disorder | 9 (2.5) | 7 (2.6) | 2 (2.2) | 1 (2.0) |
 Major Depressive Disorder* | 22 (6.1) | 10 (3.8) | 12 (13.0)*** | 5 (6.1) |
 Conduct Disorder | 73 (20.4) | 47 (17.7) | 26 (28.3)* | 14 (28.6) |
 Substance Use Disorder | 99 (27.7) | 64 (24.2) | 35 (38.0)* | 18 (36.7) |
 Past 4 weeks suicide attempt | 4 (1.1) | 0 (0.0) | 4 (4.3)*** | 1 (2.0)* |
 Lifetime suicide attempt | 32 (9.0) | 9 (3.4) | 23 (25.0)*** | 14 (28.6)*** |
Traumatic Exposure | ||||
 Forced sexual activity | 53 (14.8) | 24 (9.1) | 29 (31.5)*** | 16 (32.7)*** |
 Nonsexual assault | 174 (48.7) | 117 (44.2) | 57 (62.0)** | 31 (63.3)* |