Frequencies of reported NSSI for total sample and by sex
| Total n=510 (%) | Males n=221 (%) | Females n=289 (%) | |
| In the past month | |||
| At least once | 256 (50.2) | 114 (51.6) | 142 (49.1) |
| Weekly | 36 (7.1) | 15 (6.8) | 21 (7.3) |
| Daily | 19 (3.71) | 8 (3.6) | 11 (3.8) |
| In the past 6 months | |||
| 1–5 times | 314 (61.6) | 146 (66.1) | 168 (58.1) |
| Monthly | 29 (5.7) | 11 (5.0) | 18 (6.2) |
| Weekly | 31 (6.1) | 13 (5.9) | 18 (6.2) |
| Daily | 16 (3.1) | 8 (3.6) | 8 (2.8) |
| In the past 12 months | |||
| 1–5 times | 333 (65.3) | 138 (62.4) | 195 (67.5) |
| Monthly | 80 (15.7) | 39 (17.6) | 41 (14.2) |
| Weekly | 27 (5.3) | 10 (4.5) | 17 (5.9) |
| Daily | 15 (2.9) | 6 (2.7) | 9 (3.1) |
NSSI, non-suicidal self-injury.