Best 1-4 Factors Associated With Early Response
Abbreviations: AIC, Akaike information criterion; CPD, cigarettes per day; NA, not applicable; OR, odds ratio.Early abstinence was defined by week 2 verified carbon monoxide (CO) levels of 5 ppm or less.The 3-factor model had the best fit statistics while maintaining parsimony and significance of factors in the model.Per 1-cigarette increase.Per 1000-unit increase in cotinine.Nicotine metabolite ratio is continuous.