The advent of e-cigarettes did not affect declining trends in ever (≥1 puff lifetime; top panel) or current (use in past 30 days; bottom panel) cigarette use in the NYTS, including dual use with e-cigarettes (dark-gray, cross-hatched shading). E-cigarette–only users (light-gray shading) are in addition to youth who are smoking cigarettes and are at low risk of having initiated tobacco products with cigarettes. (E-cigarette use, defined by using the same criteria as cigarettes, was assessed starting in 2011.)
Data are presented as ORs (95% CIs) unless otherwise indicated. All models include NYTS-provided weights and stratification variables.
↵a Ever smoking was defined as ≥1 puff of a cigarette.
↵b Current smoking was defined as smoking cigarettes in the past 30 days.
↵c This category includes the use of tobacco products other than cigarettes that are consistent across all years of the NYTS between 2004 and 2014: chewing tobacco, snuff, or dip; cigars, cigarillos, or little cigars; tobacco in a pipe; or bidis.
Percentage of Youth Predicted To Smoke by Using the Psychosocial Model (2004–2009 NYTS)
Data are presented as percentages (95% CIs). All analyses adjusted for NYTS-provided weights and stratification variables.
↵a Estimated likelihood of smoking cigarettes based on a psychosocial model of smoking created by using 2004–2009 NYTS data on sex, race/ethnicity, age, willingness to wear clothing that bears a tobacco logo, living with a smoker, intention to smoke cigarettes in the next year, likelihood of smoking a cigarette offered by a friend, other tobacco product use (besides cigarettes and e-cigarettes), and time (centered on 2009).
↵b Model-estimated likelihood of ever taking a puff of a cigarette.
↵c Reported never taking a puff of a cigarette or e-cigarette.
↵d Endorsed having ever taken ≥1 puff of an e-cigarette but not smoking ≥1 puff of a cigarette.
↵e Reported taking ≥1 puff of a cigarette in lifetime, including dual users of cigarettes and e-cigarettes.
↵f Model-estimated likelihood of having smoked cigarettes in the past 30 days.
↵g Did not report smoking cigarettes or using an e-cigarette in the past 30 days.
↵h Reported using an e-cigarette in the past 30 days but not smoking cigarettes in the past 30 days.
↵i Reported smoking cigarettes in the past 30 days.