Table 5.

The association of the brief SAM motives measure with follow-up SAM use and consequences (n = 904)

	use			Consequences
Variable	Standardized estimate	Standard error	Wald χ2	Standardized estimate	Standard error	Wald χ2
Intercept	1.55	0.12	167.37	0.34	0.15	5.23
Age	-0.05	0.05	1.15	0.03	0.06	0.26
Malea	-0.11	0.05	5.10*	-0.07	0.06	1.38
Whiteb	-0.12	0.06	4.16*	0.03	0.07	0.20
Asianb	-0.17	0.09	3.49	-0.12	0.11	1.19
School Bc	-0.31	0.12	7.11*	0.00	0.14	0.00
School Cc	-0.08	0.06	1.69	0.20	0.07	7.33**
SAM use (baseline)	0.65	0.06	108.51***
SAM consequences (baseline)				0.65	0.07	89.90***
SAM motives
Conformity	-0.12	0.05	7.18**	-0.02	0.06	0.13
Positive effects	0.21	0.06	12.44***	0.07	0.07	0.99
Calm/coping	0.03	0.06	0.22	0.05	0.07	0.50
Social	0.15	0.06	5.81*	0.17	0.07	5.70*

Notes: Reference group = ^aFemale, ^bother, ^cSchool A. SAM = simultaneous alcohol and marijuana.

^*p < .05;

^**p < .01;

^***p < .001.