Percentage arrested during     follow-up period																																																																						Impact per
																																			Treatment group																														Control group																																								Assignee																														Enrollee
																																																																During the first follow-up period
Female youths																																			4.4%																														3.6%																																								0.8%																														1.3%
Male youth non-arrestees																																			14.1%																														9.6																																								4.5**																														6.5
Male youth arrestees																																			43.3																														42.6																																								0.7																														1.1
																																																																During the full follow-up period
Female youths																																			7.0																														5.3																																								1.7																														2.7
Male youth non-arrestees																																			25.8																														18.7																																								7.1																														10.4
Male youth arrestees																																			59.2																														55.7																																								3.5																														5.5

Statisticalsignificance: ** = 5 percent.
Source: Bloom et al. (1994), Exhibit 11.