Table 1.
Baseline characteristics of the study population by e-cigarette use categories
| BRFSS 2016 & 2017 | ||
|---|---|---|
| N = 402,822 | ||
| E-cigarette use status | ||
| Variables | Current (N = 3103) | Never (N = 399,719) |
| Median age group, years | 18–24 | 45–49 |
| Women (%) | 32.8 | 56.2 |
| Race | ||
| White, (%) | 57.2 | 59.6 |
| Black, (%) | 12.1 | 12.1 |
| Asian, (%) | 7.1 | 7.2 |
| Hispanic, (%) | 18.9 | 18.5 |
| Others, (%) | 4.7 | 2.6 |
| Education | ||
| Less than high school diploma, (%) | 9.9 | 11.3 |
| High School diploma, (%) | 38.8 | 24.7 |
| Some college, (%) | 51.3 | 64.0 |
| Federal poverty line | ||
| < 100%, (%) | 16.2 | 13.2 |
| 100–200%, (%) | 19.0 | 18.8 |
| > 200%, (%) | 64.8 | 68.0 |
| Body Mass Index (BMI) | ||
| < 18.5 kg/m2, (%) | 3.8 | 1.9 |
| 18.5 to < 25 kg/m2, (%) | 44.5 | 33.7 |
| 25 to < 30 kg/m2, (%) | 30.7 | 35.1 |
| ≥ 30 kg/m2, (%) | 21.0 | 29.3 |
| Asthma, (%) | 10.8 | 8.1 |