Table 1.
Baseline characteristics of study population after matching on age, sex, race/ethnicity and education level, BRFSS 2016–2018, US (N=8736)
| Characteristics |
E-cigarette use status a
|
p | |
|---|---|---|---|
| E-cigarette users (N=4368) n (%) | Never e-cigarette users (N=4368) n (%) | ||
| Median age range (years) | 18–24 | 18–24 | - |
| Women | 1504 (34.40) | 1504 (34.40) | - |
| Race | - | ||
| White non-Hispanic | 2798 (64.10) | 2798 (64.10) | |
| Black non-Hispanic | 404 (9.20) | 404 (9.20) | |
| Other race non-Hispanic | 345 (7.90) | 345 (7.90) | |
| Multiracial non-Hispanic | 190 (4.30) | 190 (4.30) | |
| Hispanic | 631 (14.40) | 631 (14.40) | |
| Education level | - | ||
| Below high school | 243 (5.60) | 243 (5.60) | |
| Graduated from high school | 1507 (34.50) | 1507 (34.50) | |
| Attended college or technical school | 1567 (35.90) | 1567 (35.90) | |
| Graduated from college or technical school | 1051 (24.10) | 1051 (24.10) | |
| Marital status | <0.001 | ||
| Married | 853 (19.50) | 1354 (30.70) | |
| Never married/cohabiting | 3141 (71.90) | 2760 (63.20) | |
| Divorced/widowed/separated | 374 (8.60) | 267 (6.10) | |
| Income (US$) | 0.726 | ||
| <15000 | 438 (10.00) | 447 (10.20) | |
| 15000–25000 | 819 (18.80) | 780 (17.90) | |
| 25000–35000 | 518 (11.90) | 498 (11.40) | |
| 35000–50000 | 665 (15.20) | 666 (15.20) | |
| >50000 | 1928 (44.10) | 1977 (45.30) | |
| Employment | <0.001 | ||
| Employed | 2876 (65.80) | 2817 (64.50) | |
| Homemaker/student | 965 (22.10) | 1001 (25.20) | |
| Unemployed | 527 (12.10) | 450 (10.30) | |
| BMI (kg/m2) | 0.424 | ||
| Underweight (<18.5) | 140 (3.20) | 122 (2.80) | |
| Normal weight (18.5–24.9) | 1852 (42.40) | 1832 (41.90) | |
| Overweight (25.0–29.9) | 1327 (30.40) | 1311 (30.00) | |
| Obese (>30.0) | 1049 (24.00) | 1103 (25.30) | |
| Physical activity | 0.104 | ||
| Performs physical activity or exercise | 3690 (84.50) | 3633 (83.20) | |
| No physical activity or exercise in last 30 days | 678 (15.50) | 735 (16.80) | |
| Pulmonary disease | <0.001 | ||
| Asthma | 430 (9.80) | 314 (7.20) | |
| COPD | 90 (2.10) | 58 (1.30) | |
| ACOS | 66 (1.50) | 31 (0.70) | |
a
Former e-cigarette users who reported to having used e-cigarettes in their lifetime and currently do not use e-cigarettes were excluded from the study population.