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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Addict Behav. 2012 Aug 31;38(3):1764–1775. doi: 10.1016/j.addbeh.2012.08.011

Figure 3.

Figure 3

Four-trajectory model extracted using Latent Class Growth modeling. Dotted lines indicated 95% confidence intervals around the estimated trajectories.