Table 1.

Means of Predictors, Outcome, and Control Variables Prior to Imputation.

	n	Mean	SD	Min	Max
Carry weapon W1	3,781	0.089	0.285	0	1
Carry weapon W2	3,788	0.054	0.225	0	1
Carry handgun W3	3,801	0.011	0.102	0	1
Ever a victim	3,774	0.238	0.426	0	1
Male	3,801	0.459	0.498	0	1
Age W1	3,801	14.575	1.603	11	20
White	3,801	0.683	0.465	0	1
Black	3,801	0.235	0.424	0	1
Other race	3,801	0.096	0.295	0	1
Gang member W2	3,784	0.039	0.195	0	1
Gang member W3	3,795	0.152	0.359	0	1
Urban neighborhood W1	3,771	0.331	0.471	0	1
Mom college educated W1	3,490	0.519	0.500	0	1
Smoked cigarettes W2	3,785	0.320	0.467	0	1
Smoked pot W2	856	0.614	0.487	0	1
Drank alcohol W2	1,794	0.378	0.485	0	1
IRT delinquency W2	3,787	−0.011	0.747	−0.824	3.703
Easy gun access W2	3,786	0.190	0.392	0	1

Note. N = 3,801. IRT = item response theory; W1 = Wave 1; W2 = Wave 2; W3 = Wave 3.