Type of offense | % boys concerned | % girls concerned | Significance of the difference between gender groups | |||
lifetime | last year | lifetime | last year | lifetime | last year | |
graffiti | 13.2% | 10.2% | 8.3% | 6.9% | P = .01 | NS |
vandalization | 14.2% | 11.5% | 10.1% | 8.3% | P = .002 | NS |
extortion | 2.0% | 1.7% | .7% | .4% | P = .015 | P = .04 |
possession of a weapon | 20.6% | 16.5% | 8.0% | 5.3% | P < .0001 | P < .0001 |
Group fighting | 24.3% | 18.3% | 12.1% | 9.5% | P < .0001 | P < .0001 |
assault | 3.4% | 2.8% | 1.1% | .8% | P = .004 | P = .02 |
animal abuse | 3.7% | 2.5% | 1.5% | 1.0% | P = .02 | NS |