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Predicted number of days smoked by CYP2A6 diplotype predicted rate (CDPR) and time calculated using estimates from Poisson portion of the zero-inflated Poisson growth-curve model predicting DAYS (Supplementary Table S-3, Poisson). Solid line with circle represents Slow CDPR, long-dashed line with diamond represents Intermediate CDPR and short-dashed line with triangle represents Normal CDPR. Predicted number of days smoked was calculated with controls held at their mean value.
