Table 2.
Prevalence (and 95% CI) of Cigarette Use and Electronic Vapor Product Use, National YRBS, 2015
| Demographic | Non-use | Cigarette Only | Electronic Vapor Product Only | Dual Use | Chi-Square (p-value) |
|---|---|---|---|---|---|
| Overall | 73.5 (71.1,75.8) | 3.2 (2.6,3.9) | 15.8 (14.2,17.5) | 7.5 (6.5,8.8) | |
| Sex | 3.1 (p=0.04) | ||||
| Female | 75.0 (72.3,77.5) | 2.9 (2.2,3.9) | 15.4 (13.8,17.1) | 6.7 (5.6,8.1) | |
| Male | 72.0 (69.0,74.8) | 3.5 (2.8,4.4) | 16.3 (14.1,18.7) | 8.3 (7.1,9.6) | |
| Race/Ethnicity | 5.5 (p< 0.001) | ||||
| White, non-Hispanic | 71.9 (68.2,75.4) | 3.6 (2.7,4.6) | 15.6 (13.7,17.7) | 8.9 (7.1,11.1) | |
| Black, non-Hispanic | 80.4 (76.1,84.1) | 2.9 (1.7,4.9) | 13.6 (11.0,16.7) | 3.1 (2.1,4.5) | |
| Hispanic | 71.6 (68.9,74.2) | 2.8 (2.1,3.6) | 19.2 (17.0,21.6) | 6.4 (5.4,7.6) | |
| Grade | 14.8 (p< 0.001) | ||||
| 9 | 79.1 (76.5,81.5) | 1.8 (1.2,2.7) | 13.4 (11.2,15.9) | 5.7 (4.2,7.7) | |
| 10 | 75.2 (71.6,78.4) | 2.3 (1.7, 3.1) | 16.1 (13.9,18.5) | 6.4 (5.0,8.2) | |
| 11 | 70.5 (67.2,73.5) | 4.4 (3.4,5.7) | 16.6 (14.1,19.5) | 8.5 (6.9,10.3) | |
| 12 | 68.4 (64.6,71.9) | 4.4 (3.3,6.0) | 17.6 (15.1,20.4) | 9.6 (7.8,11.7) |
Abbreviations: CI, confidence interval. YRBS, Youth Risk Behavior Survey.