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. 2015 Aug 26;10(8):e0134734. doi: 10.1371/journal.pone.0134734

Table 1. Demographic characteristics of respondents susceptible to cigarette use, cigarette experimenters, and current tobacco users, NYTS, 2012.

Never-smokers whoare susceptible tocigarette use a (n = 17,888) b Cigaretteexperimentationc (n = 23,248) b Current tobacco use d (n = 23,629) b
Middle + High School Middle + High School Middle + High School
  % (95% CI) % (95% CI) % (95% CI)
Total 27.91 (26.99–28.83) 22.15 (20.37–24.02) 17.28 (15.86–18.79)
Grade      
    6th 24.18 (21.89–26.63) 6.30 (5.10–7.76) 5.16 (4.24–6.28)
    7th 28.39 (26.45–30.41) 11.70 (9.80–13.90) 6.76 (5.41–8.42)
    8th 32.00 (29.78–34.29) 18.26 (15.51–21.39) 11.11 (9.28–13.25)
    9th 33.12 (30.73–35.60) 24.78 (21.65–28.20) 17.71 (15.28–20.43)
    10th 27.27 (24.83–29.86) 28.91 (25.73–32.33) 22.43 (19.64–25.49)
    11th 24.70 (22.34–27.22) 33.04 (29.89–36.35) 26.09 (23.62–28.73)
    12th 23.95 (21.13–27.02) 37.06 (33.80–40.44) 33.12 (30.38–35.98)
Sex      
    Female 26.60 (25.23–28.03) 21.31 (19.31–23.46) 13.42 (12.03–14.95)
    Male 29.24 (28.15–30.35) 22.98 (21.16–24.90) 21.02 (19.33–22.81)
Race/Ethnicity      
    non-Hispanic white 26.09 (24.77–27.46) 20.45 (18.29–22.79) 17.05 (15.36–18.90)
    non-Hispanic black 27.02 (24.80–29.37) 24.21 (20.44–28.43) 17.87 (15.06–21.09)
    Hispanic 34.12 (31.94–36.36) 26.58 (23.87–29.47) 18.90 (16.56–21.49)
    non-Hispanic Other 26.50 (23.36–29.88) 20.73 (18.27–23.44) 14.33 (11.87–17.20)

NYTS, National Youth Tobacco Survey

a Never-smokers who are susceptible to cigarette use was defined as never tried smoking cigarettes, even one or two puffs and responded other than “definitely not” to the following questions: “Do you think you will smoke a cigarette in the next year?” and “Do you think you will smoke a cigarette soon?” and “If one of your best friends would offer you a cigarette, would you smoke it?”

b Reported n based on univariate analyses with missing values excluded.

c Cigarette experimentation was defined as having puffed on a cigarette at least once but not having smoked a total of 100 lifetime cigarettes.

d Current tobacco use was defined as using on at least 1 day in the past 30 days any of the following tobacco products: cigarettes, cigars, smokeless tobacco, pipe, bidis, kreteks, snus, hookah, roll-your-own cigarettes, dissolvable tobacco products, electronic cigarettes, or some other new tobacco product.