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*
 -0.07a*
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).

Pokhrel et al. Substance Abuse Treatment, Prevention, and Policy 2007 2:22   doi:10.1186/1747-597X-2-22

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