Table 3.

Distinguishing trajectory group membership by LCA group probabilities and baseline covariates: multinomial logistic regression results (n = 2136)

b		robust se	exp b (OR)
Past year alcohol users
G2	0.10	0.43	1.10
G3	0.76	0.25	2.14**
G4	0.63	0.24	1.88**
Past year marijuana users
G2	0.92	0.69	2.52
G3	0.78	0.53	2.18
G4	0.56	0.54	1.75
Ever smokers
G2	−0.15	0.36	0.86
G3	−0.48	0.34	0.62
G4	−0.30	0.33	0.74
Natural parent household
G2	−0.49	0.19	0.61***
G3	−0.44	0.17	0.65**
G4	−0.40	0.17	0.67**
Low socioeconomic status
G2	−0.27	0.32	0.77
G3	−0.25	0.29	0.78
G4	−0.19	0.21	0.83
Hispanic
G2	−0.08	0.33	0.93
G3	0.14	0.20	1.15
G4	−0.05	0.30	0.95
US born
G2	0.52	0.25	1.68*
G3	−0.02	0.21	0.98
G4	0.23	0.22	1.26
Male
G2	0.19	0.26	1.22
G3	0.42	0.19	1.52*
G4	0.42	0.19	1.53*
Delinquent peers
G2	0.64	0.20	1.90***
G3	0.32	0.23	1.38
G4	0.55	0.20	1.73**
Unsupervised time
G2	0.03	0.10	1.03
G3	0.13	0.08	1.14
G4	0.13	0.09	1.14
Black
G2	0.02	0.36	1.02
G3	0.59	0.33	1.81
G4	0.93	0.36	2.52**
Age
G2	−0.11	0.04	0.89**
G3	0.00	0.05	1.00
G4	−0.06	0.05	0.94
Prior police contact
G2	−0.74	0.48	0.48
G3	−0.85	0.61	0.43
G4	−0.60	0.45	0.55
Physical aggression (baseline)
G2	0.52	0.06	1.69***
G3	0.24	0.06	1.27***
G4	0.75	0.06	2.11***
Model diagnostics
Log likelihood = −1518.05
Craig and Uhler’s R2 = 0.29

G1 non-aggressive, G2 desistors, G3 escalators, G4 chronic aggressive

^*p < .05;

^**p < .01;

^***p < .001