This study consisted of a stratified random sample of 3,550 adolescents selected from 55 public school districts from a statewide population in the Midwest. The purpose was to replicate a previous study that tested the delinquency syndrome construct by examining the amount of overlap between alcohol consumption, use of other drugs, and crime using log-linear analysis. The overlap in various forms of delinquency also was examined according to age, gender, and race, with the hypotheses that these factors interact with the amount of overlap between the behaviors examined. In agreement with the previous study, the results support the delinquency syndrome, but they indicate less overlap than the delinquency syndrome construct suggests. Moreover, overlap between these forms of delinquency is moderated with age, gender and race; however, age does not account for enough variance in the multiple contingency table to be selected by log-linear procedures in the most parsimonious model. Implications of these findings for the syndrome construct are discussed.
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