Table 1:
Participant characteristics based on current e-cigarette use and marijuana use, YRBS 2017
| Demographic Variable | Overall | Concurrent Use (%) | Exclusive E-cigarette Use (%) | Exclusive Marijuana Use (%) | Non-use (%) |
|---|---|---|---|---|---|
| Overall | 7.8 | 5.2 | 9.9 | 77.2 | |
| Sex | |||||
| Male | 48.2 | 8.9 | 6.7 | 9.3 | 75.0 |
| Female | 51 | 6.5 | 3.8 | 10.5 | 79.2 |
| Race/ethnicity | |||||
| White, non-Hispanic | 42.4 | 8.6 | 6.8 | 7.2 | 77.4 |
| Black, non-Hispanic | 18.9 | 5.5 | 2.4 | 17.8 | 74.3 |
| Hispanic/Latino | 24.7 | 7.9 | 3.0 | 12.8 | 76.3 |
| Other | 11.7 | 5.2 | 4.7 | 8.5 | 81.6 |
| Grade | |||||
| 9th | 26.6 | 5.5 | 3.9 | 5.8 | 84.8 |
| 10th | 25.2 | 6.5 | 4.5 | 9.5 | 79.5 |
| 11th | 24.4 | 8.1 | 5.6 | 12.3 | 74.0 |
| 12th | 22.9 | 11.0 | 7.0 | 12.9 | 69.2 |
| Frequency of Current E-Cigarette Use | |||||
| 0 days | 86.8 | - | - | - | - |
| 1–19 days | 9.9 | 71.1 | 79.6 | - | - |
| 20–29 days | 0.9 | 7.9 | 5.5 | - | - |
| 30 days | 2.4 | 20.9 | 15 | - | - |
| Frequency of Current Marijuana Use | |||||
| 0 times | 80.2 | - | - | - | - |
| 1–19 times | 14 | 57.4 | - | 76.7 | - |
| 20–39 times | 1.8 | 12.7 | - | 7.6 | - |
| ≥40 times | 3.9 | 29.9 | - | 15.6 | - |
Abbreviations: YRBS, Youth Risk Behavior Survey; e-cigarette, electronic cigarette use; Percentages are weighted.