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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Tob Regul Sci. 2016 Jul 1;2(3):278–289. doi: 10.18001/TRS.2.3.7

Table 1.

Weighted Wave 1 Estimates of Youth Population (n = 3704; N = 434,601)

Socio-Demographic Characteristics n; N (Weighted %)
  Sex
    Male 1617; 220,682 (50.8%)
    Female 2087; 213,919 (49.2%)
  Race/ethnicity
    Hispanic 1430; 237,314 (54.6%)
    Non-Hispanic White/Other 1687; 121,721 (28.0%)
    Non-Hispanic Black 487; 75,566 (17.4%)
  Grade
    6th 1061; 139,477 (32.1%)
    8th 1255; 149,791 (34.5%)
    10th 1388; 145,333 (33.4%)
  Socioeconomic status
    Very well off 830; 84,079 (19.4%)
    Living comfortably 2308; 270,268 (62.2%)
    Just getting by/nearly poor/poor 566; 80,254 (18.5%)

Tobacco Use Behaviors n; N (Weighted %)

  Past 30 day e-cigarette user status
    Non-current E-cigarette User 3466; 403,909 (92.9%)
    Current E-cigarette User 238; 30,692 (7.1%)
  Ever e-cigarette user status
    Never E-cigarette User 3062; 351,030 (80.8%)
    Ever E-cigarette User 642; 83,571 (19.2%)
  Past 30 day flavored e-cigarette use (n = 238, N = 30,692)
    Non-flavored (ie, tobacco flavoring) 25; 3,559 (11.6%)
    Flavored (ie, mint, candy, fruit, coffee/alcohol, spice, or other flavoring) 213; 27,133 (88.4%)
  Other past 30 day tobacco product use
    No 3537; 408,450 (94.0%)
    Yes 167; 26,151 (6.0%)

Perceptions of E-cigarettes n; N (Weighted %)

  Perceived harm
    4 (Extremely harmful) 1502; 180,522 (41.5%)
    3 662; 70,310 (16.2%)
    2 949; 108,241 (24.9%)
    1 (Not at all harmful) 591; 75,528 (17.4%)
  Perceived harm of flavored e-cigarettes
    More harmful 702; 87,287 (20.1%)
    About as harmful 2066; 230,209 (53.0%)
    Less harmful 936; 117,106 (27.0%)
  Perceived addictiveness
    Very addictive 652; 76,272 (17.6%)
    Somewhat addictive 1081; 117,153 (27.0%)
    Not at all addictive 1971; 241,176 (55.5%)

Note.

N = Population of students potentially available; n = actual sample size