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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Drug Alcohol Depend. 2013 Dec 24;136:28–35. doi: 10.1016/j.drugalcdep.2013.12.004

Figure 1.

Figure 1

Overall and Sex-specific trends* in current smoking of Long/Ultra-long cigarettes among U.S. adult Smokers a, National Health and Nutrition Examination Survey, 1999/2000 to 2011/2012

Note: FTC=Federal Trade Commission; NHANES=National Health and Nutrition Examination Survey

a The denominator for all analyses was current cigarette smokers aged ≥20 years (i.e. respondents who reported that they had smoked at least 100 cigarettes during their lifetime, and smoked daily or on some days at the time of the survey).