Table 1 Baseline characteristics of the study population by e-cigarette use categories
| Â | 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 |