Abstract
SUMMARY The purpose of this study was to design and evaluate a multidimensional schema for the assessment of alcohol, tobacco and other drug use topology. Six first order dimensions and a single second order dimension were confirmed. The first order dimensions are: motive state, beliefs and expectancies, social context, substance use behavior, behavioral pharmacological consequences, and social consequences. At age 16, the second order factor score predicted transition to a DSM-III-R substance use disorder (SUD) at age 19 with 71% accuracy and correlated significantly with the overall problem density score of the Drug Use Screening Inventory (R2 = .27, p < .0001). Offspring of substance-abusing fathers scored higher than boys having normal fathers on the motive state and substance use behavior dimensions. These findings illustrate the value of multidimensional assessment of ATOD topology for identifying youth at high risk for SUD as well as for elucidating the factors contributing to the transition to suprathreshold SUD.
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