Original articlePredictors and Sequelae of Smoking Topography Over the Course of a Single Cigarette in Adolescent Light Smokers
Section snippets
Participants
This study was approved by the Institutional Review Board at the University of Illinois at Chicago. Because all the participants included in the study were adolescents, laboratory sessions were conducted after obtaining a signed parental consent, in addition to a signed assent from each of the participants. Because of the sensitive nature of the study (i.e., administration of cigarettes to minors), caution was taken to ensure that the participants and their guardians understood the aims and
Sample characteristics
The sample comprised 78 adolescent smokers (75.6% white, 47.4% women), with a mean age of 15.71 years (SD = .61). Participants exhibited a mean mFTQ score of 2.69 (SD = 1.39), and reported smoking 23.06 (SD = 20.04) cigarettes in the week before the experimental session (Table 1). The majority (75.6%) of the participants reported smoking almost every day, where 38.5% smoked two or less cigarettes per day, 37.2% smoked 3–5 cigarettes per day, and 24.3% smoked six or more cigarettes per day. In
Discussion
To our knowledge, the current study was the first to investigate puffing behavior over the course of smoking a single cigarette in a sample of adolescent smokers who varied in their smoking histories and degree of nicotine dependence. Our data were consistent with those of Collins et al [6] who also found decreases in puff volume and duration, increases in puff velocity, and a trend toward a linear increase in inter-puff interval, over the course of smoking a single cigarette. Notably, when
Acknowledgments
This research was supported by a grant (1PO1CA98262) from the National Cancer Institute. Certain sections of this paper were presented at the Annual Meeting of the Society for Research on Nicotine and Tobacco, Baltimore, Maryland, in February, 2010.
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