Table 5. CACE Model Testing Effect of Intervention on Growth in Marijuana Use During Adolescence and on Problematic Marijuana Use in Early Adulthood.

		Within-class variation
	Class membership	Nonengager class				Engager class
Intervention status, variable, and parameter	Engager vs. nonengager logit (SE)	Intercept est. (SE)	Linear slope est. (SE)	Quadratic slope est. (SE)	Problematic marijuana use (SE)	Intercept est. (SE)	Linear slope est. (SE)	Quadratic slope est. (SE)	Problematic marijuana use (SE)
Intervention status	Fixed at 0	Fixed at 0	Fixed at 0	Fixed at 0	Fixed at 0	Fixed at 0	-1.47 (0.49)**	0.08 (0.07)	-0.69 (0.41)m
Variable
Gender (female)	-0.22 (0.26)	0.02 (0.09)	0.10 (0.06)	-0.03 (0.01)**	-0.24 (0.11)*	0.22 (0.17)	0.47 (0.23)*	-0.08 (0.03)**	-0.27 (0.28)
Ethnicity	-0.25 (0.20)	-0.07 (0.08)	-0.07 (0.06)	0.03 (0.01)**	0.32 (0.10)**	-0.24 (0.15)†	0.39 (0.23)†	-0.04 (0.03)	0.23 (0.26)
Biological father present (6th grade)	0.50 (0.21)**	-0.06 (0.10)	-0.03 (0.07)	0.00 (0.01)	0.10 (0.11)	-0.07 (0.18)	-0.14 (0.22)	0.01 (0.03)	0.28 (0.28)
Family conflict (6th grade)	-0.27 (0.09)	0.07(0.06)	-0.10 (0.04)*	0.01 (0.01)†	0.08 (0.06)	0.04 (0.11)	0.02 (0.10)	-0.02 (0.02)	-0.03 (0.14)
Deviant peers (6th grade)	-0.09 (0.08)	0.27 (0.08)***	-0.04 (0.05)	0.00 (0.01)	-0.02 (0.05)	0.21 (0.11)*	0.04 (0.10)	0.01 (0.02)	0.15 (0.13)
Teacher report of risk (6th grade)	-0.23 (0.10)*	0.09 (0.05)†	0.01 (0.04)	0.00 (0.01)	0.15 (0.06)**	0.12 (0.08)	0.13 (0.11)	-0.03 (0.02)	0.11 (0.15)
Parameter
Intercept/threshold	1.62 (0.22)***	0.33 (0.10)***	-0.07 (0.07)	0.04 (0.01)***	1.01 (0.11)***	0.11 (0.12)	1.31 (0.56)*	-0.01 (0.08)	1.96 (0.51)***
Residual variance	—	0.62 (0.27)*	0.17 (0.10)†	0.01 (0.00)***	1.53 (0.09)***	0.62 (0.27)*	0.17 (0.10)†	0.01 (0.00)***	1.53 (0.09)***

^†p < .10.

^*p < .05.

^**p < .01.

^***p < .001.