Table 2. Perceived Harm of E-Cigarettes Relative to Cigarettes by Participant Characteristics Among U.S. Adults: 2015.
| Responses | ||||
|---|---|---|---|---|
| Compared to cigarettes smoking e-cigarettes are | Less harmful | About the same level of harm | More harmful | I don't know |
| Characteristics | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) |
| Sex*** | ||||
| Male | 34.6 (32.4, 36.9) | 33.5 (31.3, 35.8) | 3.6 (2.7, 4.7) | 28.3 (26.2, 30.5) |
| Female | 26.9 (24.8, 29.1) | 37.8 (35.4, 40.1) | 4.6 (3.5, 6.1) | 30.7 (28.5, 33.1) |
| Age (years) *** | ||||
| 18-24 | 45.5 (38.9, 52.3) | 31.3 (25.3, 38.0) | 3.6 (1.6, 7.8) | 19.6 (14.9, 25.4) |
| 25-34 | 36.8 (33.2, 40.5) | 38.1 (34.5, 41.8) | 4.5 (3.0, 6.8) | 20.7 (17.5, 24.3) |
| 35-44 | 30.7 (26.9, 34.6) | 38.0 (34.1, 42.1) | 6.4 (4.1, 9.9) | 25.0 (21.7, 28.6) |
| 45-54 | 26.9 (23.5, 30.5) | 37.6 (33.5, 41.9) | 5.5 (3.7, 7.9) | 30.0 (26.3, 34.0) |
| 55-64 | 27.4 (24.2, 30.9) | 34.2 (30.7, 37.9) | 2.5 (1.4, 4.3) | 35.9 (32.3, 39.6) |
| 65+ | 22.9 (20.2, 25.8) | 32.9 (29.7, 36.2) | 2.4 (1.7, 3.5) | 41.9 (38.3, 45.5) |
| Race/Ethnicity** | ||||
| White, NH | 32.7 (30.9, 34.5) | 34.6 (32.7, 36.5) | 3.3 (2.6, 4.1) | 29.5 (27.8, 31.3) |
| Black, NH | 22.3 (18.0, 27.2) | 35.7 (30.3, 41.5) | 6.7 (4.1, 10.6) | 35.4 (29.9, 41.2) |
| Other, NH | 31.1 (24.5, 38.5) | 40.7 (33.3, 48.5) | 6.4 (2.9, 13.3) | 21.9 (16.3, 28.8) |
| Hispanic | 27.3 (23.2, 31.9) | 38.4 (33.9, 43.1) | 5.3 (3.2, 8.4) | 29.0 (24.8, 33.7) |
| Education*** | ||||
| <High school | 29.9 (23.9, 36.6) | 34.5 (28.3, 41.3) | 6.7 (3.9, 11.4) | 28.9 (23.3, 35.3) |
| High school | 27.2 (24.6, 29.8) | 34.0 (31.3, 36.8) | 3.9 (2.7, 5.6) | 35.0 (32.2, 37.8) |
| Some college | 31.4 (28.5, 34.5) | 35.1 (32.0, 38.4) | 5.0 (3.6, 7.0) | 28.4 (25.5, 31.5) |
| College degree + | 33.5 (31.1, 36.1) | 38.2 (35.6, 40.8) | 2.6 (1.8, 3.6) | 25.7 (23.3, 28.3) |
| Household income** | ||||
| <$15K | 27.6 (22.8, 32.9) | 35.2 (29.8, 41.0) | 7.9 (5.0, 12.2) | 29.4 (24.4, 34.9) |
| $15K–$24.9K | 23.6 (18.5, 29.7) | 36.8 (30.3, 43.8) | 4.7 (2.0, 10.6) | 34.9 (28.7, 41.5) |
| $25K–$39.9K | 27.6 (23.8, 31.8) | 38.9 (34.6, 43.4) | 4.8 (3.0, 7.4) | 28.7 (24.8, 32.9) |
| $40K–$59.9K | 29.5 (26.0, 33.4) | 32.7 (29.1, 36.6) | 3.4 (2.0, 5.7) | 34.3 (30.5, 38.4) |
| ≥$60K | 33.2 (31.1, 35.4) | 35.7 (33.5, 37.9) | 3.4 (2.5, 4.5) | 27.8 (25.7, 29.9) |
| U.S. region | ||||
| Northeast | 32.5 (28.7, 36.5) | 36.3 (32.4, 40.4) | 3.2 (2.1, 4.8) | 28.0 (24.5, 31.9) |
| Midwest | 30.9 (27.9, 34.0) | 34.2 (31.0, 37.5) | 4.3 (2.9, 6.5) | 30.6 (27.7, 33.7) |
| South | 30.4 (27.9, 33.1) | 34.0 (31.4, 36.8) | 4.1 (2.9, 5.8) | 31.5 (28.8, 34.3) |
| West | 29.5 (26.4, 32.8) | 39.2 (35.8, 42.6) | 4.7 (3.2, 6.8) | 26.7 (23.7, 29.8) |
| E-cigarette use*** | ||||
| Ever tried | 51.2 (47.3, 55.1) | 25.9 (22.6, 29.4) | 3.8 (2.4, 6.1) | 19.1 (16.3, 22.3) |
| Never tried | 25.7 (24.1, 27.4) | 38.0 (36.2, 39.9) | 4.2 (3.4, 5.2) | 32.0 (30.3, 33.9) |
Note: Boldface indicates statistical significance
*
p <0.05;
**
p<0.01;
***
p<0.001
p is based on weighted bivariate tests of association (χ2).
NH, non-Hispanic