Table 3.

Short-term effects of MREAL on Marijuana, other illicit drugs and inhalants, for total sample and by gender (N = 1,418, 692 female, 719 male).

	Marijuana frequency				Marijuana amount				Other illicit drug frequency				Inhalants frequency
	Total	Female	Male	Total	Total	Female	Male	Total	Total	Female	Male	Total	Total	Female	Male	Total
Intercept	−0.144	−0.643*	0.497	−0.136	−0.428	−0.392	−0.502	−0.427	0.104	0.080	0.172	0.104	0.446	0.521	0.477	0.449
	0.333	0.314	0.809	0.343	0.344	0.284	0.815	0.338	0.083	0.104	0.141	0.086	0.795	0.649	1.591	0.789
DV at T1	0.410	1.211***	0.086	0.439	0.398***	0.441***	0.345**	0.389***	0.282	−0.183***	0.313**	0.271	0.286***	0.308***	0.278***	0.291***
	0.331	0.332	0.094	0.275	0.034	0.082	0.102	0.033	0.173	0.051	0.105	0.184	0.029	0.066	0.076	0.034
Age	0.030	0.057†	−0.013	0.027	0.039	0.027†	0.051	0.038	−0.002	−0.006	−0.001	−0.003	−0.003	−0.048	0.029	−0.006
	0.031	0.032	0.050	0.031	0.027	0.015	0.063	0.026	0.004	0.009	0.007	0.004	0.061	0.052	0.118	0.060
Years in Nogales	−0.004	−0.007	−0.002	−0.001	0.010***	0.005	0.018***	0.012***	0.001	0.005*	−0.002	0.002	−0.025	−0.008	−0.039	−0.022
	0.008	0.010	0.009	0.007	0.002	0.004	0.004	0.002	0.002	0.002	0.002	0.002	0.029	0.010	0.068	0.030
Two parents	−0.045***	−0.039	−0.024	−0.042***	−0.048*	−0.050*	−0.049	−0.048*	−0.009	−0.018	−0.002	−0.009	−0.004	0.048	−0.071	−0.003
	0.006	0.028	0.025	0.008	0.019	0.022	0.033	0.020	0.007	0.012	0.017	0.007	0.104	0.174	0.113	0.102
Household size	0.040	0.070**	0.009	0.038*	0.030	0.031	0.026	0.030	−0.001	−0.002	0.000	−0.001	0.002	−0.038	0.031†	0.001
	0.018	0.025	0.015	0.017	0.024	0.026	0.039	0.024	0.004	0.002	0.006	0.004	0.025	0.041	0.018	0.024
Parental education	−0.030***	−0.019*	−0.035	−0.030***	−0.010	0.005	−0.021	−0.009	−0.007*	−0.005*	−0.008*	−0.007*	0.013	0.021	0.007	0.013
	0.008	0.008	0.022	0.007	0.009	0.004	0.015	0.009	0.003	0.002	0.003	0.003	0.012	0.018	0.012	0.012
Educational aspirations	0.003	−0.002	0.004	0.001	−0.008	−0.004	−0.012	−0.009	−0.001	0.006†	−0.011	−0.002	−0.019	0.057***	−0.095	−0.021
	0.020	0.021	0.022	0.020	0.017	0.012	0.026	0.017	0.006	0.003	0.012	0.006	0.034	0.012	0.065	0.034
Risk profile	0.476*	0.474	0.471***	0.465*	0.223*	0.222	0.213***	0.219*	0.047***	−0.014	0.088	0.045***	0.388**	0.328***	0.379	0.373**
	0.200	0.470	0.076	0.201	0.105	0.251	0.014	0.107	0.009	0.014	0.012	0.008	0.129	0.021	0.229	0.131
Gender: F = 0, M = 1	−0.024			0.018	−0.014			0.019	0.007			0.021	−0.043			0.024
	0.036			0.039	0.026			0.017	0.009			0.015	0.068			0.040
MREAL v. control	−0.023	0.005	−0.061†	0.024	−0.022	0.018	−0.059***	0.014	−0.024**	0.001	−0.041*	−0.009***	−0.030	0.069	−0.127†	0.043
	0.041	0.083	0.035	0.057	0.030	0.051	0.017	0.044	0.008	0.003	0.018	0.002	0.060	0.066	0.071	0.094
MREAL v. control X risk profile	−0.177	−0.242	−0.356	−0.007	−0.152	−0.090	−0.196***	−0.072	−0.022***	0.089**	−0.088***	0.006	−0.262	−0.009	−0.425†	−0.097
	0.203	0.503	0.210	0.208	0.130	0.275	0.055	0.147	0.024	0.029	0.019	0.014	0.796	0.125	0.220	0.192
MREAL v. control X gender				−0.089*				−0.070**				−0.029*				−0.141
				0.039				0.026				0.015				0.107
MREAL v. control X risk profile X gender				−0.320***				−0.135				−0.048				−0.287***
				0.029				0.132				0.030				0.056
R square	0.278	0.569	0.168	0.285	0.219	0.303	0.155	0.216	0.142	0.067	0.193	0.131	0.096	0.126	0.101	0.100
	0.026				0.032				0.058				0.036

Notes: Unstandardized estimates with standard errors in italics. Cohen’s d effect sizes are for the main intervention effect.

^†p < 0.10;

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.