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01-02-2013 | Uitgave 2/2013

Journal of Abnormal Child Psychology 2/2013

Evidence for a Multi-Dimensional Latent Structural Model of Externalizing Disorders

Tijdschrift:
Journal of Abnormal Child Psychology > Uitgave 2/2013
Auteurs:
Katie Witkiewitz, Kevin King, Robert J. McMahon, Johnny Wu, Jeremy Luk, Karen L. Bierman, John D. Coie, Kenneth A. Dodge, Mark T. Greenberg, John E. Lochman, Ellen E. Pinderhughes, the Conduct Problems Prevention Research Group
Belangrijke opmerkingen
Members of the Conduct Problems Prevention Research Group include Karen L. Bierman (Pennsylvania State University), Kenneth A. Dodge (Duke University), Mark T. Greenberg (Pennsylvania State University), John E. Lochman (University of Alabama), Robert J. McMahon (Simon Fraser University and Child & Family Research Institute), and Ellen E. Pinderhughes (Tufts University)

Abstract

Strong associations between conduct disorder (CD), antisocial personality disorder (ASPD) and substance use disorders (SUD) seem to reflect a general vulnerability to externalizing behaviors. Recent studies have characterized this vulnerability on a continuous scale, rather than as distinct categories, suggesting that the revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) take into account the underlying continuum of externalizing behaviors. However, most of this research has not included measures of disorders that appear in childhood [e.g., attention-deficit/hyperactivity disorder (ADHD) or oppositional defiant disorder (ODD)], nor has it considered the full range of possibilities for the latent structure of externalizing behaviors, particularly factor mixture models, which allow for a latent factor to have both continuous and categorical dimensions. Finally, the majority of prior studies have not tested multidimensional models. Using lifetime diagnoses of externalizing disorders from participants in the Fast Track Project (n = 715), we analyzed a series of latent variable models ranging from fully continuous factor models to fully categorical mixture models. Continuous models provided the best fit to the observed data and also suggested that a two-factor model of externalizing behavior, defined as (1) ODD+ADHD+CD and (2) SUD with adult antisocial behavior sharing common variance with both factors, was necessary to explain the covariation in externalizing disorders. The two-factor model of externalizing behavior was then replicated using a nationally representative sample drawn from the National Comorbidity Survey-Replication data (n = 5,692). These results have important implications for the conceptualization of externalizing disorders in DSM-5.

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Journal of Abnormal Child Psychology 2/2013 Naar de uitgave