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. Author manuscript; available in PMC: 2008 Dec 1.
Published in final edited form as: Drug Alcohol Depend. 2007 Jul 12;91(2-3):159–168. doi: 10.1016/j.drugalcdep.2007.05.017

Figure 3.

Figure 3

Observed survival curve for smokers at average levels of Negative Affect (NA) smoking at baseline, with modeled curves for those with low NA smoking (−1 SD) and high NA smoking (+1 SD), modeled based on coefficients from the survival analysis.