The effect of childhood conduct disorder and cognitive functioning on adolescent substance use

Seth C. Harty, Nicole K. Thorn, Jessica H. Kalmar, Jeffrey H. Newcorn, Jeffrey M. Halperin

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Objective: To assess the impact of childhood conduct disorder (CD) and intelligence quotient (IQ) on later substance use in adolescence. Methods: Neuropsychological and structured diagnostic evaluations were initially administered to 32 children with disruptive behavior disorder when they were 7-11 years of age. They were then re-evaluated on average 6.7 years later using an array of interviews and rating scales with a focus on substance use. Results: Early CD and IQ scores together accounted for a significant proportion of the variance in later substance use (R2=.248). In addition, there was a significant CD and Verbal IQ interaction (R2=. 164) such that high Verbal IQ was linked to increased substance use in adolescents who had childhood CD. Conclusion: These data indicate that the presence of conduct disorder may interact with high Verbal IQ during childhood in such a way as to predict later adolescent substance use in disruptive behavior disorder populations.

Original languageEnglish
Pages (from-to)661-666
Number of pages6
JournalCNS Spectrums
Volume9
Issue number9
DOIs
StatePublished - Sep 2004

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