Table 3 Gender-based differences in the self-injury method
Self-injury method | Boy | Girl | χ 2 | p | ||
|---|---|---|---|---|---|---|
Episode | Percentage | Episode | Percentage | |||
(N) | (%) | (N) | (%) | |||
Cutting | 19 | 6.8 | 118 | 17.5 | 26.681 | < 0.001* |
Scratching/bruising | 54 | 19.3 | 162 | 24.1 | 7.256 | 0.007* |
Delayed wound healing | 12 | 4.3 | 38 | 5.7 | 1.478 | 0.224 |
Burning | 5 | 1.8 | 4 | 0.6 | 1.430 | 0.232 |
Biting | 32 | 11.4 | 69 | 10.3 | 0.000 | 0.987 |
Hitting oneself | 47 | 16.8 | 68 | 10.1 | 5.773 | 0.016* |
Pulling out hair | 32 | 11.4 | 55 | 8.2 | 1.277 | 0.258 |
Severe nail biting/nail injuries | 14 | 5.0 | 22 | 3.3 | 0.943 | 0.332 |
Piercing the skin with sharp objects | 14 | 5.0 | 34 | 5.1 | 0.146 | 0.702 |
Body puncture | 0 | 0.0 | 1 | 0.2 | Fisher | 1.000 |
Excessive alcohol consumption | 1 | 0.4 | 13 | 2.0 | 2.904 | 0.088 |
Attempting to break bones | 4 | 1.4 | 4 | 0.6 | 0.553 | 0.457 |
Head banging | 22 | 7.9 | 39 | 6.0 | 0.629 | 0.428 |
Taking too many medications | 2 | 0.7 | 4 | 0.6 | 0.000 | 1.000 |
Not taking enough medications | 0 | 0.0 | 4 | 0.6 | 0.681 | 0.409 |
Eating or drinking something that is not food | 5 | 1.8 | 9 | 1.3 | 0.002 | 0.966 |
Other | 17 | 6.1 | 29 | 4.3 | 0.662 | 0.416 |
Total | 280 | / | 673 | / | / | / |