TABLE 2

Prevalence (95% CI) of Cigarette Use and Electronic Vapor Product Use, National YRBS, 2015

DemographicNonuseCigarette OnlyEVP OnlyDual Useχ2 (P)
Overall73.5 (71.1–75.8)3.2 (2.6–3.9)15.8 (14.2–17.5)7.5 (6.5–8.8)
Sex3.1 (.04)
 Female75.0 (72.3–77.5)2.9 (2.2–3.9)15.4 (13.8–17.1)6.7 (5.6–8.1)
 Male72.0 (69.0–74.8)3.5 (2.8–4.4)16.3 (14.1–18.7)8.3 (7.1–9.6)
Race/ethnicity5.5 (<.001)
 White, non-Hispanic71.9 (68.2–75.4)3.6 (2.7–4.6)15.6 (13.7–17.7)8.9 (7.1–11.1)
 Black, non-Hispanic80.4 (76.1–84.1)2.9 (1.7–4.9)13.6 (11.0–16.7)3.1 (2.1–4.5)
 Hispanic71.6 (68.9–74.2)2.8 (2.1–3.6)19.2 (17.0–21.6)6.4 (5.4–7.6)
Grade14.8 (<.001)
 979.1 (76.5–81.5)1.8 (1.2–2.7)13.4 (11.2–15.9)5.7 (4.2–7.7)
 1075.2 (71.6–78.4)2.3 (1.7– 3.1)16.1 (13.9–18.5)6.4 (5.0–8.2)
 1170.5 (67.2–73.5)4.4 (3.4–5.7)16.6 (14.1–19.5)8.5 (6.9–10.3)
 1268.4 (64.6–71.9)4.4 (3.3–6.0)17.6 (15.1–20.4)9.6 (7.8–11.7)