Table 3.
Characteristics of PATH study youth who were tobacco naïve at wave 1 (2013–2014), and e-cigarette naïve at wave 2 (2014–2015) by wave 3 e-cigarette initiation status, n = 6,462
| E-Cigarette initiation (wave 3) | |||
|---|---|---|---|
| Initiated use (n = 439) | Did not initiate use (n = 6,023) | ||
| % or mean (95% CI) | % or mean (95% CI) | p value | |
| Age at wave 1 | |||
| 12–14 | 58.2 (52.8–63.3) | 66.8 (66.0–67.7) | <.0019 |
| 15–17 | 41.8 (36.7–47.2) | 33.2 (32.3–34.0) | |
| Sex | |||
| Female | 50.0 (44.4–55.5) | 49.4 (48.6–50.2) | .86 |
| Male | 50.1 (44.4–55.6) | 50.6 (49.8–51.4) | |
| Race/ethnicity | |||
| Non-Hispanic white | 61.4 (56.8–65.9) | 54.1 (53.2–55.0) | .03 |
| Hispanic white | 14.1 (11.7–16.9) | 15.9 (15.1–16.8) | |
| Non-Hispanic black | 9.9 (7.3–13.4) | 14.7 (14.2–15.3) | |
| Hispanic black | 1.3 (.5–3.1) | 1.3 (1.0–1.6) | |
| Non-Hispanic other race | 9.1 (6.8–12.1) | 9.4 (.9–1.0) | |
| Hispanic other race | 4.2 (2.8–6.4) | 4.6 (4.0–5.2) | |
| Parent education | |||
| Less than high school | 15.4 (12.0–19.5) | 16.8 (15.4–18.2) | .50 |
| High school graduate | 18.2 (14.4–22.7) | 16.4 (15.1–17.8) | |
| Some college | 32.1 (27.7–36.8) | 29.8 (27.8–31.7) | |
| Bachelor’s degree or more | 34.4 (29.3–39.8) | 37.0 (34.5–39.7) | |
| Region of U.S. | |||
| Northeast | 22.7 (16.0–17.7) | 16.6 (16.2–19.3) | .0007 |
| Midwest | 24.0 (20.9–22.8) | 21.2 (19.2–21.6) | |
| South | 36.6 (36.8–39.4) | 37.9 (35.3–39.3) | |
| West | 16.6 (22.0–24.6) | 24.3 (23.0–26.3) | |
| Cigarette initiation (wave 2) | 6.2 (4.4–8.7) | 0.9 (.6–1.2) | <.0001 |
| Other tobacco producta initiation (wave 2) | 7.9 (5.7–10.9) | 1.6 (1.3–2.0) | <.0001 |
| E-cigarette susceptible (wave 2) | 61.9 (57.3–66.3) | 28.9 (27.7–30.1) | <.0001 |
| Convenience store visits | |||
| None in past 30 days | 16.5 (12.7–21.1) | 31.1 (29.7–32.5) | <.0001 |
| 1 –3 times per month | 35.9 (31.1–41.1) | 36.0 (34.7–37.4) | |
| 1 × week or more often | 47.6 (42.9–52.3) | 33.9 (31.5–34.4) | |
| Noticed retail e-cigarette ad | 52.2 (46.5–57.9) | 37.8 (36.3–39.3) | <.0001 |
| Has favorite e-cigarette ad | 19.2 (15.8–23.1) | 10.1 (9.2 – 10.9) | <.0001 |
| Best friends use e-cigarettes | 38.9 (34.5–43.6) | 15.3 (14.2–16.5) | <.0001 |
| Household member tobacco use | 37.4 (31.9–43.2) | 25.2 (23.6–26.8) | <.0001 |
| Sensation-seeking score (mean) | 1.79 (1.69–1.88) | 1.40 (1.38–1.43) | <.0001 |
Data are weighted.
CI = confidence interval; NA = not applicable; PATH = Population Assessment of Tobacco and Health.
a
Other tobacco products included cigars (cigarillos, traditional and filtered), hookah, smokeless, snus, dissolvable, bidis, and kreteks). p values reflect results of chi-square test or t-test.