Table 2. Age-Standardized Weighted Prevalence of E-Cigarette Use (Current and Daily) Among US Adults, 2021 Behavioral Risk Factor Surveillance System.
| Variable | Age-standardized weighted prevalence, % (95% CI) | Daily-to-current use ratio | |
|---|---|---|---|
| Current e-cigarette use | Daily e-cigarette use | ||
| Total population (N = 414 755) | 6.9 (6.7-7.1) | 3.2 (3.1-3.4) | 46.6 (45.3-48.0) |
| Sex | |||
| Male | 7.8 (7.6-8.1) | 3.7 (3.5-3.9) | 46.9 (45.1-48.7) |
| Female | 6.0 (5.7-6.2) | 2.8 (2.6-2.9) | 46.3 (44.1-48.4) |
| Race and ethnicity | |||
| American Indian or Alaska Native | 8.7 (7.4-10.1) | 2.9 (2.3-3.7) | 33.6 (26.8-41.2) |
| Asian, non-Hispanic | 4.7 (3.9-5.6) | 1.5 (1.1-2.0) | 30.3 (23.4-38.3) |
| Black, non-Hispanic | 5.5 (5.0-6.0) | 1.9 (1.6-2.2) | 34.3 (30.0-38.9) |
| Hispanic | 4.6 (4.3-5.0) | 1.7 (1.5-1.9) | 36.2 (32.0-40.5) |
| Native Hawaiian or Other Pacific Islander | 10.7 (7.8-14.6) | 4.9 (3.3-7.2) | 50.3 (33.4-67.1) |
| White, non-Hispanic | 8.2 (8.0-8.5) | 4.3 (4.1-4.5) | 52.1 (50.6-53.6) |
| Multiple | 9.5 (8.2-10.9) | 4.2 (3.5-5.1) | 45.5 (38.9-52.3) |
| Othera | 6.9 (5.4-8.8) | 2.8 (2.0-3.9) | 42.4 (30.9-54.7) |
| Sexual orientation | |||
| Heterosexual | 6.8 (6.6-7.1) | 3.2 (3.0-3.3) | 46.1 (44.2-48.1) |
| Lesbian or gay | 10.7 (9.1-12.6) | 5.7 (4.4-7.5) | 55.8 (46.4-64.7) |
| Bisexual | 12.2 (11.0-13.7) | 6.5 (5.4-7.8) | 52.0 (46.8-57.1) |
| Other | 10.5 (8.4-13.2) | 5.9 (4.0-8.6) | 53.5 (42.9-63.9) |
| Transgender | |||
| No | 7.1 (6.9-7.4) | 3.4 (3.2-3.5) | 47.1 (45.3-48.9) |
| Yes | 12.3 (9.3-16.3) | 7.2 (4.6-11.1) | 61.5 (48.1-73.3) |
| BMI | |||
| <18.5 | 9.8 (8.3-11.5) | 4.9 (4.0-5.9) | 56.6 (48.4-64.4) |
| ≥18.5 to <25 | 7.2 (6.9-7.6) | 3.2 (3.0-3.5) | 44.4 (41.9-46.8) |
| ≥25 to <30 | 7.1 (6.7-7.4) | 3.2 (3.0-3.5) | 45.8 (43.4-48.3) |
| ≥30 | 7.0 (6.7-7.4) | 3.4 (3.2-3.6) | 48.7 (46.3-51.1) |
| Marital status | |||
| Married | 5.3 (4.9-5.7) | 2.8 (2.5-3.1) | 51.0 (48.4-53.5) |
| Divorced or separated | 10.0 (8.6-11.5) | 4.5 (3.9-5.3) | 45.6 (42.2-49.0) |
| Widowed | 11.8 (8.7-15.8) | 7.8 (5.1-11.7) | 50.4 (42.0-58.8) |
| Single | 7.6 (7.2-8.0) | 3.2 (2.9-3.4) | 42.7 (40.7-44.8) |
| Highest education level | |||
| Less than high school | 7.3 (6.7-8.0) | 3.2 (2.7-3.7) | 43.2 (38.6-48.0) |
| High school or some college | 8.3 (8.0-8.5) | 4.0 (3.8-4.2) | 48.3 (46.7-49.9) |
| College graduate | 4.2 (4.0-4.5) | 1.7 (1.5-1.8) | 41.6 (39.1-44.3) |
| Income, poverty line, % | |||
| <100 | 7.1 (6.6-7.7) | 2.5 (2.2-2.8) | 35.0 (31.4-38.9) |
| 100-200 | 8.3 (7.9-8.8) | 3.9 (3.6-4.2) | 46.9 (44.3-49.6) |
| >200 | 7.7 (6.6-9.0) | 3.2 (2.5-4.1) | 48.7 (47.0-50.5) |
| Employment status | |||
| Employed | 7.2 (7.0-7.4) | 3.6 (3.4-3.7) | 49.4 (47.7-51.1) |
| Unemployed | 8.0 (7.5-8.5) | 3.5 (3.1-3.9) | 43.6 (40.6-46.7) |
| Student | 9.1 (6.6-12.4) | 4.2 (2.4-7.3) | 33.6 (29.4-38.1) |
| Retired | 13.9 (9.3-20.3) | 9.4 (5.0-16.8) | 46.8 (40.8-53.0) |
| Area of residence | |||
| Rural | 7.9 (7.2-8.7) | 3.9 (3.3-4.5) | 48.8 (44.2-53.4) |
| Urban | 6.9 (6.7-7.1) | 3.2 (3.1-3.4) | 46.5 (45.1-48.0) |
| Combustible cigarette use | |||
| Never | 2.9 (2.8-3.1) | 1.0 (0.9-1.1) | 35.2 (32.9-37.7) |
| Former | 17.2 (16.5-18.0) | 11.6 (10.9-12.3) | 65.8 (63.4-68.1) |
| Current | 17.9 (17.1-18.7) | 6.9 (6.3-7.4) | 36.5 (34.2-38.8) |
| Pregnant | |||
| No | 8.8 (8.4-9.3) | 4.0 (3.8-4.3) | 45.6 (43.1-48.1) |
| Yes | 5.4 (3.1-9.2) | 2.8 (1.6-4.7) | 67.1 (50.7-80.2) |
| Chronic health condition | |||
| CVDb | |||
| No | 6.8 (6.6-7.0) | 3.2 (3.1-3.3) | 46.7 (45.3-48.1) |
| Yes | 10.7 (8.9-12.9) | 5.5 (3.9-7.6) | 48.3 (42.4-54.3) |
| Cancer | |||
| No | 6.9 (6.7-7.1) | 3.2 (3.1-3.3) | 46.5 (45.1-47.9) |
| Yes | 9.8 (7.9-12.2) | 5.8 (4.0-8.3) | 49.4 (43.2-55.7) |
| COPD | |||
| No | 6.7 (6.5-6.9) | 3.1 (3.0-3.3) | 46.8 (45.4-48.3) |
| Yes | 11.7 (10.5-12.9) | 5.1 (4.4-6.0) | 45.1 (40.8-49.4) |
| Asthma | |||
| No | 6.5 (6.4-6.7) | 3.0 (2.9-3.2) | 46.5 (44.9-48.0) |
| Yes | 8.8 (8.3-9.3) | 4.1 (3.8-4.5) | 47.1 (44.3-50.0) |
| Depression | |||
| No | 5.6 (5.4-5.8) | 2.5 (2.4-2.6) | 44.6 (42.9-46.3) |
| Yes | 11.7 (11.2-12.2) | 5.8 (5.5-6.2) | 50.1 (47.8-52.4) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); COPD, chronic obstructive pulmonary disease; CVD, cardiovascular disease.
a
Specific groups within the other race and ethnicity category were not itemized in the 2021 Behavioral Risk Factor Surveillance System data set.
b
Composite of myocardial infarction, coronary heart disease, and/or stroke.