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. 2018 Aug 14;20(Suppl 1):S48–S54. doi: 10.1093/ntr/nty018

Table 1.

Weighted Product-Specific Prevalence Estimates Among Past 30-Day Tobacco Users

2011 2012 2013 2014 2015
P30D (%) P30D (%) P30D (%) P30D (%) P30D (%)
NYTS
 Cigarettes 57.5 55.9 49.8 35.9 35.0
 E-cigarettesa 5.7 12.3 17.7 53.2 64.0
 Cigars 43.5 49.8 48.1 30.7 31.2
 Smokelessb 27.8 26.1 23.0 22.0 21.6
 Other tobaccoc 30.5 31.6 26.6 15.4 11.0
 Hookah 14.4 21.1 20.0 35.9 27.0
TIYAC
 Cigarettes 84.0 62.7 65.0 70.6 65.0
 E-cigarettes 5.2 8.2 7.7 18.3 21.8
 Cigars 28.8 27.7 24.8 12.6 16.9
 Smokelessd 12.3 8.4 5.8 5.9 12.7
 Other tobaccoe 9.2 7.7 9.6 8.8 10.1
 Hookah 8.4 13.1 14.1 15.2 9.1

aFrom 2011 to 2013, past 30-day use of e-cigarettes was assessed using the question: “During the past 30 days, which of the following tobacco products did you use on at least one day?” with participants selecting the response choice “Electronic cigarettes or e-cigarettes, such as Ruyan or NJOY” identified as past 30-day users; there were 10 products presented in this list in 2011, 9 in 2012, and 11 in 2013. In 2014, past 30-day use of e-cigarettes was assessed using the stand-alone question, “During the past 30 days, on how many days did you use electronic cigarettes or e-cigarettes such as Blu, 21st Century Smoke, or NJOY?” In 2015, the question was changed to “During the past 30 days, on how many days did you use electronic cigarettes or e-cigarettes?” Response categories included “0 days,” “1 or 2 days,” “3–5 days,” “6–9 days,” “10–19 days,” “20–29 days,” and “all 30 days.” Participants who reported using e-cigarettes on at least 1 or 2 days were classified as past 30-day e-cigarette users.

bSmokeless tobacco includes chew, dip, and snuff.

cOther tobacco includes pipe tobacco, dissolvable tobacco, snus, bidis, kreteks, and “some other product not listed here.” Kreteks were either identified as “clove cigars (kreteks)” in 2011 and 2013 or “clove cigarettes (kreteks)” in 2012. Kretek use was not assessed in 2014 or 2015.

dSmokeless tobacco includes chew, dip, and snuff. In 2013–2015, a preface was included in the smokeless tobacco section: “Please do not think about using snus when you answer these questions.” Snus users were included in the “other tobacco product user” category below.

eOther tobacco includes pipe tobacco, dissolvable tobacco, and snus.