. Author manuscript; available in PMC: 2013 Nov 18.

Published in final edited form as: Dev Psychopathol. 2013 Nov;25(4 0 1):10.1017/S0954579413000357. doi: 10.1017/S0954579413000357

Table 5.

Results of single and multiple group structural equation models

Substance	Model	Group	N	Depressive Symptoms (DS)	Conduct Problems (CP)	DSxCP	R² total	CFI	TLI	RMSEA	X²	DF
Substance	Model	Group	N	B	B	B	R² total	CFI	TLI	RMSEA	X²	DF
Alcohol	Full Sample		254,587	−0.07	0.62	0.02 n/s	0.36	1.00	0.99	0.01	69.54	2
	Gender	Male	120,479	0.04 ^a	0.41 ^a	0.01^b	0.19	0.99	0.96	0.02	212.78	4
	Gender	Female	127,568	0.08 ^a	0.38 ^a	0.01^b	0.18
	Grade	8	125,328	0.07	0.46 ^a	0.24^a	0.29	0.99	0.98	0.02	212.08	10
		10	113,515	0.06	0.41 ^a	−0.01^a n/s	0.19
		12	15,744	0.04	0.45 ^a	−0.08^a	0.26
Marijuana	Full Sample		256,273	−0.07	0.57	0.25	0.21	1.00	0.99	0.01	39.92	2
	Gender	Male	121,347	0.03 ^a	0.37 ^a	0.23	0.21	1.00	0.99	0.01	59.92	4
	Gender	Female	128,340	0.06 ^a	0.35 ^a	0.22	0.19
	Grade	8
		10	114,251	0.05 ^a	0.38 ^a	0.10^b	0.17	0.97	0.95	0.02	274.75	7
		12	15,748	0.04 ^a n/s	0.47 ^a	0.08^b	0.24
Cigarettes	Full Sample		256,421	0.06	0.47	0.18	0.30	0.99	0.98	0.01	74.31	2
	Gender	Male	121,892	0.11 ^a	0.32 ^a	0.19	0.17	0.99	0.96	0.02	222.02	4
	Gender	Female	128,714	0.15 ^a	0.31 ^a	0.14	0.18
	Grade	8	126,656	0.13 ^a	0.37 ^a	0.49^a	0.43	0.99	0.97	0.02	207.75	8
		10	114,018	0.15 ^a	0.30 ^a	0.13^a	0.16
		12	15,747	0.16 ^a	0.27 ^a	0.07^a	0.13

Note. All beta coefficients are standardized.

coefficients were significantly different across groups, p < .001.

adding interaction did not improve fit of model versus main effects only model.