Table 2 Incidence of e-cigarette initiation among Baseline Non-users of Cigarettes and E-cigarettes, by e-cigarette advertising exposure status (n = 2191)
Incidence of Current E-cigarette Use at Follow-up (Overall) | Incidence of Current E-cigarette Use at Follow-up (Aware of E-Cig Ads at Wave 1) | Incidence of Current E-cigarette Use at Follow-up (Not Aware of E-Cig Ads at Wave 1) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Demographic Variable | Percentage | (95% CI) | Weighted Population Count | Percentage | [95% CI) | Weighted Population Count | Percentage | (95% CI) | Weighted Population Count [95% CI] |
All Nonsmokers | 1.3% | [0.8–1.9] | 2,691,273 | 2.7% | [0.7–4.6] | 905,369 | 1.1% | [0.5–1.6] | 1,796,599 |
Age, years | |||||||||
18–24 | 2.1% | [0.0–4.3] | 485,112 | 8.5% | [0.0–19.9] | 223,162 | 1.3% | [0–3.2] | 261,949 |
25–44 | 1.5% | [0.5–2.5] | 1,007,386 | 4.5% | [0.0–9.2] | 529,714 | 0.9% | [0.3–1.5] | 479,273 |
45–64 | 0.8% | [0.2–1.5] | 613,341 | 0.7% | [0.0–1.6] | 83,690 | 0.9% | [0.1–1.6] | 531,337 |
65+ | 1.4% | [0.0–2.9] | 585,452 | 0.9% | [0.0–2.8] | 65,417 | 1.6% | [0–3.3] | 525,335 |
Sex | |||||||||
Female | 1.8% | [0.9–2.7] | 1,929,369 | 3.9% | [0.7–7.1] | 650,465 | 1.4% | [0.5–2.3] | 1,289,194 |
Male | 0.8% | [0.2–1.4] | 761,808 | 1.5% | [0.0–3.8] | 256,953 | 0.6% | [0.2–1.1] | 506,934 |
Race/ethnicity | |||||||||
White, non-Hispanic | 1.6% | [0.9–2.3] | 2,234,571 | 2.7% | [0.3–5.1] | 546,425 | 1.4% | [0.7–2.1] | 1,690,657 |
Black, non-Hispanic | 0.3% | [0.0–0.8] | 53,746 | 0.9% | [0.0–2.8] | 55,330 | 0.0% | N/A | N/A |
Hispanic | 0.7% | [0.0–2.1] | 103,884 | 4.4% | [0.0–12.9] | 103,884 | 0.0% | N/A | N/A |
Other, non-Hispanic | 1.1% | [0.0–2.6] | 299,244 | 3.9% | [0.0–11.3] | 196,937 | 0.5% | [0–1.1] | 103,048 |
Education | |||||||||
< High school | 1.3% | [0.0–2.8] | 255,772 | 2.4% | [0.0–7.2] | 103,879 | 1.0% | [0–2.3] | 151,893 |
High school | 2.1% | [0.6–3.5] | 1,132,051 | 3.1% | [0.0–7.6] | 280,627 | 1.9% | [0.4–3.4] | 859,112 |
Some college | 1.9% | [0.7–3.1] | 1,108,118 | 3.7% | [0.0–7.6] | 443,413 | 1.4% | [0.3–2.5] | 670,965 |
≥ College degree | 0.3% | [0.0–0.5] | 195,436 | 0.9% | [0.0–2.4] | 78,196 | 0.2% | [0–0.4] | 117,260 |
Cigarette smoking history | |||||||||
Never smokers | 0.8% | [0.2–1.3] | 1,072,102 | 1.4% | [0.0–3.4] | 318,581 | 0.6% | [0.1–1.2] | 758,379 |
Former smokers | 2.5% | [1.3–3.8] | 1,619,151 | 5.1% | [0.9–9.3] | 584,683 | 2.0% | [0.8–3.2] | 1,038,552 |
Household smoking | |||||||||
No smoker in HH | 0.7% | [0.3–1.1] | 1,273,343 | 0.8% | [0.0–1.8] | 227,183 | 0.7% | [0.3–1.1] | 1,046,171 |
Smoker in HH | 6.1% | [2.5–9.7] | 1,427,945 | 11.4% | [1.6–21.2] | 677,053 | 4.3% | [0.8–7.8] | 750,893 |