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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Drug Alcohol Depend. 2008 Jul 31;98(3):249–263. doi: 10.1016/j.drugalcdep.2008.06.008

Figure 1. Final four-cluster LCA model depicting conditional probabilities.

Figure 1

● = Cluster 1 (Negatives); + = Cluster 2 (Mild); ▲ = Cluster 3 (Moderate); ■ = Cluster 4 (Severe Dependent).