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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Drug Alcohol Depend. 2012 Aug 21;128(1-2):20–29. doi: 10.1016/j.drugalcdep.2012.07.015

Figure 2.

Figure 2

Results of latent class analysis of offspring substance use and psychiatric disorder (N=831).

AUD=alcohol abuse or dependence

MJABDEP=marijuana abuse or dependence

ND=nicotine dependence

CD=conduct disorder

ANX=anxiety disorder (social phobia, panic disorder, or generalized anxiety disorder)

MDD=major depressive disorder

Based on patterns of endorsement probabilities, Class 1 (grey line) was defined as ‘Unaffected’, Class 2 (dashed line) was defined as ‘AUD’, Class 3 (dotted line) was defined as ‘AUD-MDD-ANX’ and Class 4 (solid line) was defined as substance use disorder ‘(SUD)-CD’, see text for details.

Numbers in parenthesis are the proportion of offspring in each class