… the effect of e-cigarette use on cigarette smoking cessation. We … e-cigarette consumer product
use among people who smoke, … smoking; (2) the effect of e-cigarette consumer product use …

… e-cigarette use and susceptibility to future cigarette smoking has … cigarettes as a gateway
to cigarette smoking, as the current prevalence of e-cigarette use is high, and cigarette smoking …

… rose rapidly in 2014, to levels higher than cigarette smoking, … e-cigarette use is associated
with students’ smoking status. … students’ smoking and frequency of 30-day e-cigarette use in …

… are strong predictors of future cigarette smoking. However, it is unknown … e-cigarette use
with future cigarette smoking differs on the basis of adolescents’ intentions to smoke cigarettes. …

… adolescents' e-cigarette use and the associations of use with a … e-cigarette use only,
traditional cigarette smoking only, dual use (ie, concurrent e-cigarette use and cigarette smoking), …

… of e-cigarette use with current smoking status are consistent with those of other studies on
adolescent e-cigarette use… the relation of demographic variables to adolescent substance use. …

… in participants with no intention of smoking suggests that e-cigarette use was not simply a
marker for individuals who would have gone on to smoke regardless of e-cigarette use. …

… was followed by a slowing decline in current cigarette smoking, a stall in combined cigarette
and e-cigarette use, and an accelerated decline in ever cigarette smoking. Traditional …

… of the impact of e-cigarette use on subsequent cigarette smoking among youth and YAs. …
that e-cigarette use among nonsmokers is associated with subsequent cigarette smoking, but …

… -term use is simply a proxy for motivation to quit smoking. … quit smoking at baseline and found
that long-term e-cigarette use … use group was made up of two subgroups: those who used e-…