Prospective associations of social self-control with drug use among youth from regular and alternative high schools

Table 4 Effects of baseline drug use on social self-control one year later, after controlling for baseline social self-control, age, female gender, Latino ethnicity, parents' education, and school type.

	Standardized β
	Cigarette smoking	Alcohol use	Marijuana use	Hard drug use	Problem drug use
Baseline social self-control	0.50***	0.50***	0.50***	0.50***	0.49***
Drug use	-0.04*	-0.03	-0.04*	-0.04*	-0.07^a*
Age	0.06*	0.06*	0.06*	0.06*	0.05*
Female gender	-0.04*	-0.03	-0.04*	-0.03	-0.04*
Latino ethnicity	-0.001	-0.006	-0.007	-0.005	-0.004
Parents' education	0.005	0.004	0.004	0.007	0.002
School type	0.01	0.008	0.007	0.007	0.0008

Note: *p ≤ 0.05; ***p < 0.0001; All independent variables were centered on their means;
^a Interaction between school type and problem drug use was found to be statistically significant (p < 0.03). The reported β is when school type = 0 (school type was centered on its mean).

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