Table 1. Prevalence of e-Cigarette Promotions by Mail and Email Received in Previous 6 Months, Overall and by Sociodemographic and Smoking Factors, Among US Adults, National Adult Tobacco Survey, 2013–2014a .
| Variable | Mail Promotion |
Email Promotion |
||||
|---|---|---|---|---|---|---|
| n | Weighted n, in Thousands | Prevalence (95% CI) | n | Weighted n, in Thousands | Prevalence (95% CI) | |
| Overall | 1,960 | 7,120 | 3.2 (3.0–3.4) | 3,422 | 11,250 | 5.1 (4.9–5.4) |
| Sex | P < .001 | P < .001 | ||||
| Male | 1,010 | 3,960 | 3.7 (3.4–4.0) | 1,662 | 5,950 | 5.6 (5.3–6.0) |
| Female | 946 | 3,150 | 2.8 (2.5–3.0) | 1,748 | 5,270 | 4.7 (4.4–4.9) |
| Age, y | P < .001 | P < .001 | ||||
| 18–29 | 245 | 1,390 | 3.1 (2.6–3.5) | 381 | 2,060 | 4.7 (4.1–5.2) |
| 30–39 | 307 | 1,650 | 4.3 (3.7–4.9) | 481 | 2,230 | 5.9 (5.2–6.5) |
| 40–49 | 295 | 1,310 | 3.6 (3.1–4.1) | 570 | 2,260 | 6.3 (5.7–6.9) |
| 50–64 | 610 | 1,880 | 3.2 (2.9–3.6) | 1,303 | 3,550 | 6.1 (5.7–6.5) |
| ≥65 | 486 | 850 | 2.1 (1.9–2.3) | 661 | 1,070 | 2.7 (2.4–2.9) |
| Race/ethnicity | P = .15 | P < .001 | ||||
| Non-Hispanic white | 1,423 | 4,540 | 3.2 (2.9–3.4) | 2,619 | 7,660 | 5.3 (5.1–5.6) |
| Non-Hispanic black | 217 | 1,000 | 3.9 (3.3–4.5) | 287 | 1,210 | 4.8 (4.1–5.5) |
| Hispanic | 154 | 970 | 3.1 (2.5–3.7) | 214 | 1,150 | 3.7 (3.1–4.3) |
| Other | 145 | 550 | 3.2 (2.5–3.9) | 267 | 1,140 | 6.7 (5.7–7.8) |
| Education | P < .001 | P < .001 | ||||
| Less than high school diploma | 134 | 680 | 2.4 (1.9–2.9) | 112 | 630 | 2.3 (1.7–2.8) |
| High school diploma or GED | 419 | 2,020 | 3.3 (2.9–3.7) | 579 | 2,630 | 4.3 (3.9–4.7) |
| Some college | 677 | 2,680 | 3.9 (3.6–4.3) | 1,208 | 4,480 | 6.6 (6.2–7.1) |
| Bachelor’s degree or higher | 714 | 1,690 | 2.8 (2.5–3.0) | 1,503 | 3,450 | 5.7 (5.3–6.0) |
| Annual household income, $ | P = .006 | P < .001 | ||||
| 0–29,999 | 355 | 1,210 | 3.3 (2.8–3.7) | 445 | 1,590 | 4.3 (3.8–4.9) |
| 30,000–49,999 | 419 | 1,650 | 4.2 (3.7–4.7) | 625 | 2,110 | 5.4 (4.8–5.9) |
| 50,000–99,999 | 521 | 1,880 | 3.4 (3.1–3.8) | 1,044 | 3,270 | 6.0 (5.5–6.5) |
| ≥100,000 | 345 | 1,160 | 3.1 (2.7–3.5) | 794 | 2,500 | 6.6 (6.0–7.2) |
| Cigarette smoking | P < .001 | P < .001 | ||||
| Never | 764 | 2,650 | 2.1 (1.9–2.3) | 1,533 | 4,870 | 3.9 (3.6–4.1) |
| Former | 645 | 2,020 | 3.6 (3.3–4.0) | 1,112 | 3,400 | 6.1 (5.6–6.6) |
| Current | 545 | 2,440 | 6.4 (5.7–7.1) | 760 | 2,930 | 7.9 (7.1–8.6) |
| Current e-cigarette use | P < .001 | P < .001 | ||||
| No | 1,657 | 5,770 | 2.8 (2.6–3.0) | 2,869 | 9,000 | 4.4 (4.2–4.6) |
| Yes | 298 | 1,340 | 9 (7.7–10.2) | 541 | 2,220 | 15.1 (13.5–16.6) |
| Home smoking rule | P < .001 | P < .001 | ||||
| Full | 1,454 | 5,160 | 2.9 (2.7–3.1) | 2,690 | 8,570 | 4.8 (4.6–5.1) |
| Partial | 205 | 740 | 3.9 (3.2–4.5) | 328 | 1,210 | 6.4 (5.5–7.2) |
| None | 211 | 840 | 5.8 (4.8–6.9) | 315 | 1,160 | 8.1 (7.0–9.3) |
| Vehicle smoking rule | P < .001 | P < .001 | ||||
| Full | 1,260 | 4,230 | 2.6 (2.4–2.7) | 2,452 | 7,710 | 4.6 (4.4–4.9) |
| Partial | 356 | 1,410 | 5.1 (4.4–5.7) | 545 | 2,010 | 7.3 (6.5–8.1) |
| None | 239 | 1,070 | 6.9 (5.7–8.0) | 322 | 1,170 | 7.6 (6.5–8.8) |
| Housing type | P = .69 | P = .22 | ||||
| Single family | 1,357 | 4,720 | 3.3 (3.1–3.5) | 2,434 | 7,420 | 5.2 (4.9–5.4) |
| Multiunit | 443 | 1,770 | 3.1 (2.7–3.5) | 753 | 3,030 | 5.3 (4.8–5.9) |
| Other | 137 | 510 | 3.3 (2.6–4.0) | 202 | 680 | 4.5 (3.7–5.3) |
| Submitted mailing address | P < .001 | P < .001 | ||||
| No | 1,562 | 5,390 | 2.5 (2.4–2.7) | 2,897 | 9,260 | 4.4 (4.2–4.6) |
| Yes | 383 | 1,680 | 27.0 (24.0–30.0) | 487 | 1,840 | 29.9 (27.0–32.9) |
Abbreviations: CI, confidence interval; GED, general equivalency degree.
a
Number estimates were weighted by taking sample weight and strata into account. Weighted total number of users is rounded to the nearest 10,000. Significance was set at P < .05. P values of the difference in promotion prevalence were calculated by using Rao-Scott χ2 test.