alcohol abuse/dependence (.94), marijuana abuse/dependence (1.0), nicotine dependence (.51) and conduct disorder (.56), but less elevated probability for anxiety and depression (< .5) Class 4 was labeled the SUD-CD class, since poly-substance use disorder and conduct disorder characterized its profile. The intersection of class profiles (i.e., Class 1 with Class 2; Class 2 with Class 3; Class 3 with Class 4) is a visual indication that the classes represent qualitatively distinct patterns of comorbid substance use and psychiatric disorder, rather than gradations of severity.
