Table 2.
Characteristics of distant former combustible cigarette smokersa (n = 2318) at baselineb of the PATH Study, by e-cigarette use, United States, 2013-2014c,d
| Characteristic | Never Tried an E-Cigarette, % (95% CI) | Tried an E-Cigarette, No Past 30-Day Use, % (95% CI) | Past 30-Day E-Cigarette Use, % (95% CI) | P Valuee |
|---|---|---|---|---|
| Overall | 95.7 (95.1-96.2) | 3.3 (2.9-3.9) | 1.0 (0.8-1.2) | —f |
| Age | <.001 | |||
| 18-34 | 79.0 (72.2-84.4) | 16.9 (12.4-22.5) | 4.2 (2.3-7.3) | |
| ≥35 | 96.6 (96.0-97.0) | 2.6 (2.2-3.2) | 0.8 (0.6-1.1) | |
| Race/ethnicity | .67 | |||
| Non-Hispanic white | 95.7 (95.1-96.3) | 3.3 (2.9-3.9) | 0.9 (0.7-1.2) | |
| Non-Hispanic black | 94.9 (91.4-97.0) | 3.4 (1.8-6.4) | 1.7 (0.7-4.1) | |
| Otherg | 95.9 (92.8-97.7) | 3.3 (1.6-6.8) | 0.7 (0.3-1.7) | |
| Sex | .35 | |||
| Male | 95.3 (94.4-96.1) | 3.6 (3.0-4.4) | 1.1 (0.8-1.4) | |
| Female | 96.1 (95.4-96.8) | 3.0 (2.4-3.8) | 0.9 (0.6-1.3) | |
| Lives with a smoker | .03 | |||
| Yes | 94.7 (93.3-95.8) | 4.0 (3.0-5.2) | 1.3 (0.9-2.0) | |
| No | 96.2 (95.6-96.6) | 3.1 (2.6-3.6) | 0.8 (0.6-1.1) | |
| Smoking in the home | .001 | |||
| Allowed | 96.1 (95.6-96.6) | 3.0 (2.5-3.5) | 0.9 (0.7-1.2) | |
| Allowed with limits | 92.2 (88.8-94.7) | 6.5 (4.3-9.8) | 1.2 (0.5-2.8) | |
| Not allowed | 92.6 (88.2-95.5) | 6.0 (3.5-10.1) | 1.4 (0.6-3.4) | |
Abbreviations: e-cigarette, electronic cigarette; PATH, Population Assessment of Tobacco and Health.
a Defined as adults who reported having ever smoked a combustible cigarette, having smoked ≥100 combustible cigarettes in their lifetime, no longer smoking combustible cigarettes, and having quit smoking combustible cigarettes ≥5 years before completing the survey.
b Baseline was from September 13, 2013, through December 14, 2014.
c Data source: US Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse; US Food and Drug Administration, Center for Tobacco Products.34
d Any “don’t know” or “refused to answer” categories were excluded.
e P values derived by using the Pearson χ2 test of equal proportions. P < .05 was considered significant.
f No statistical test or P value for the overall percentages.
g Hispanic, American Indian/Alaska Native, Asian Indian, Chinese, Filipino, Japanese, Korean, Vietnamese, other Asian, Native Hawaiian, Guamanian or Chamorro, Samoan, other Pacific Islander, or multiple races.