Table 1

Age of initiation for users of five tobacco products among US middle and high school students, National Youth Tobacco Survey, 2014–2016 (n=19 580)

Age of initiation (years)Tobacco products
Cigarettes
(n=12 092)
E-cigarettes
(n=12 904)
Cigars*
(n=9100)
Smokeless tobacco
(n=4145)
Hookah
(n=1948)
Overall
 Unweighted median1315141415
 Weighted median12.614.113.813.414.1
 Weighted IQR10.6–14.412.6–15.412.1–15.211.3–14.912.4–15.3
Mean§ by sex (SEM)
 Male13.4 (0.05)14.4 (0.06)14.2 (0.05)¶13.9 (0.09)14.4 (0.12)
 Female13.5 (0.05)14.5 (0.05)14.3 (0.05)13.8 (0.15)14.4 (0.10)
Mean§ by race/ethnicity (SEM)
 Non-Hispanic white13.6 (0.06)14.7 (0.06)14.5 (0.05)14.0 (0.09)14.8 (0.10)
 Non-Hispanic black13.0 (0.10)**14.3 (0.09)**13.9 (0.09)**13.5 (0.19)**14.0 (0.21) **
 Hispanic13.3 (0.06)**14.1 (0.07) ** 13.9 (0.07)**13.7 (0.11)**14.1 (0.10)**
 Non-Hispanic ‘other’††13.2 (0.16)**14.5 (0.17)14.2 (0.20)13.2 (0.44)**14.3 (0.33)
Percentage of ever users reporting first use at the age≤13 years (95% CI)55.4%
(53.5 to 57.3)
30.0%
(27.7 to 32.4)
35.6%
(33.6 to 37.7)
44.2%
(41.0 to 47.5)
33.3%
(28.9 to 37.7)
  • Tobacco product categories are not mutually exclusive.

  • *Includes cigars, cigarillos or little cigars.

  • †Includes chew tobacco, snuff or dip.

  • ‡Estimates are based on 2016 data only.

  • §Calculated for ages 9–18 only.

  • ¶Statistically significant difference (p<0.05) between males and females based on analysis of variance.

  • **Statistically significant difference with non-Hispanic whites as referent (p<0.008) based on Tukey post hoc test for analysis of variance.

  • ††Non-Hispanic ‘other’ (non-Hispanic Asian, non-Hispanic American Indian or Alaska Native, and non-Hispanic Native Hawaiian or Pacific Islander).

  • n, unweighted number of ever-users of each product.