Table 5.

Log odds coefficients for the final two-class LTA model with gender (Boys = 0, Girls = 1), depression, parent monitoring, and impulsive behavior as covariates and the low exposure class as the comparison group

Effect	Logit	SE	t	p value	Odds ratio
Grade 6
Gender	−0.20	0.43	0.46	0.65	0.82
Depression	0.84*	0.39	−2.16	0.03	2.31
Parent monitoring	0.39	0.30	−1.28	0.20	1.48
Impulsive behavior	0.58*	0.22	−2.66	0.01	1.79
Deviant peers	0.46	0.37	−1.23	0.22	1.58
Class intervention group	0.51	0.37	−1.38	0.17	1.66
Family intervention group	0.00	0.00	−0.23	0.82	1.00
Grade 7
Gender	0.25	0.94	−0.27	0.79	1.28
Depression	−0.46	0.83	0.55	0.58	0.63
Parent monitoring	0.03	0.57	−0.05	0.96	1.03
Impulsive behavior	0.72	0.31	−2.32	0.02	2.04
Deviant peers	0.74	0.98	−0.75	0.45	2.09
Class intervention group	0.47	0.73	−0.64	0.52	1.60
Family intervention group	0.00	0.00	0.06	0.95	1.00
Grade 8
Gender	0.10	0.82	−0.12	0.90	1.11
Depression	0.56	0.64	−0.87	0.39	1.75
Parent monitoring	0.65	0.55	−1.18	0.24	1.91
Impulsive behavior	0.86*	0.33	−2.62	0.01	2.37
Deviant peers	0.66	0.94	−0.70	0.48	1.93
Class intervention group	−0.30	0.76	0.40	0.69	0.74
Family intervention group	0.00	0.00	0.65	0.51	1.00