Table 4.
E-cigarette use patterns, equipment, and flavor use at the time of quitting smoking by participants who formerly smoked (n = 51,641)
| % | 95% CI | n | |
|---|---|---|---|
| At the time of quitting smoking, were you using e-cigarettes: (1) | |||
| Every day | 85.1 | 84.8–85.4 | 47,933 |
| Some days | 6.6 | 6.4–6.8 | 3708 |
| Not at all (2) | 8.3 | 8.1–8.5 | 4659 |
| If you had never started using e-cigarettes, would you still be smoking today? | |||
| Definitely yes | 72.2 | 71.8–72.6 | 37,265 |
| Probably yes | 23.9 | 23.5–24.3 | 12,359 |
| Probably no | 1.7 | 1.6–1.8 | 881 |
| Definitely no | 2.2 | 2.1–2.3 | 1136 |
| Device used at time of quitting smoking | |||
| Disposable | 1.9 | 1.8–2.0 | 1005 |
| Rechargeable ciga-like with prefilled cartridges | 9.8 | 9.5–10.1 | 5044 |
| eGo-style | 26.8 | 26.4–27.2 | 13,827 |
| Pod mod | 1.2 | 1.1–1.3 | 625 |
| Mechanical device | 5.2 | 5.0–5.4 | 2666 |
|
Variable voltage/wattage (advanced personal vaporizer) |
54.4 | 54.0–54.8 | 28,081 |
| Something else | 0.8 | 0.7–0.9 | 393 |
| Nicotine concentration at time of quitting smoking | |||
| 0 mg/mL | 1.5 | 1.4–1.6 | 798 |
| 1–6 mg/mL | 46.9 | 46.5–47.3 | 24,220 |
| 7–12 mg/mL | 19.3 | 19.0–19.6 | 9973 |
| 13–17 mg/mL | 4.2 | 4.0–4.4 | 2161 |
| 18–24 mg/mL | 23.1 | 22.7–23.5 | 11,927 |
| 25–49 mg/mL | 2.7 | 2.6–2.8 | 1418 |
| 50 mg/mL or more | 0.7 | 0.6–0.8 | 365 |
| How important was finding an e-cigarette/e-liquid flavor you liked in your attempt to quit smoking? | |||
| Extremely important | 69.7 | 69.3–70.1 | 35,979 |
| Very important | 17.6 | 17.3–17.9 | 9070 |
| Important | 8.7 | 8.5–8.9 | 4508 |
| Slightly important | 3.1 | 3.0–3.2 | 1579 |
| Not important | 1.0 | 0.9–1.1 | 505 |
| Flavor choices (used regularly) at time of quitting smoking* | |||
| Tobacco | 15.0 | 14.7–15.3 | 7763 |
| Menthol | 18.2 | 17.9–18.5 | 9394 |
| Mint/wintergreen | 11.5 | 11.2–11.8 | 5934 |
| Fruit | 83.3 | 83.0–83.6 | 43,012 |
| Dessert/pastry/bakery | 68.0 | 67.6–68.4 | 35,106 |
| Candy/chocolate/sweet | 44.5 | 44.1–44.9 | 22,986 |
| Spice | 9.6 | 9.3–9.9 | 4951 |
| Coffee | 19.9 | 19.6–20.2 | 10,298 |
| Alcohol/cocktail | 5.9 | 5.7–6.1 | 3050 |
| Non-alcoholic/non-coffee drink | 13.1 | 12.8–13.4 | 6766 |
| Unflavored | 0.7 | 0.6–0.8 | 349 |
| Other | 9.2 | 9.0–9.4 | 4761 |
| Single flavor used most often at time of quitting smoking | |||
| Tobacco | 5.1 | 4.9–5.3 | 2617 |
| Menthol | 4.7 | 4.5–4.9 | 2430 |
| Mint/wintergreen | 1.6 | 1.5–1.7 | 841 |
| Fruit | 49.3 | 48.9–49.7 | 25,483 |
| Dessert/pastry/bakery | 30.3 | 29.9–30.7 | 15,657 |
| Candy/chocolate/sweet | 4.1 | 3.9–4.3 | 2105 |
| Spice | 1.1 | 1.0–1.2 | 593 |
| Coffee | 1.8 | 1.7–1.9 | 953 |
| Alcohol/cocktail | 0.3 | 0.3–0.3 | 142 |
| Non-alcoholic/non-coffee drink | 0.9 | 0.8–1.0 | 476 |
| Unflavored | 0.1 | 0.1–0.1 | 40 |
| Other | 0.6 | 0.5–0.7 | 304 |
| Flavor choices that were particularly helpful for quitting smoking | |||
| Tobacco | 9.3 | 9.0–9.6 | 4813 |
| Menthol | 11.7 | 11.4–12.0 | 6020 |
| Mint/wintergreen | 7.4 | 7.2–7.6 | 3820 |
| Fruit | 60.8 | 60.4–61.2 | 31,393 |
| Dessert/pastry/bakery | 48.9 | 48.5–49.3 | 25,277 |
| Candy/chocolate/sweet | 29.7 | 29.3–30.1 | 15,327 |
| Spice | 7.1 | 6.9–7.3 | 3649 |
| Coffee | 13.9 | 13.6–14.2 | 7201 |
| Alcohol/cocktail | 4.7 | 4.5–4.9 | 2438 |
| Non-alcoholic/non-coffee drink | 9.6 | 9.3–9.9 | 4943 |
| Unflavored | 0.5 | 0.4–0.6 | 264 |
| Other | 8.0 | 7.8–8.3 | 4130 |
| Flavor choices that were particularly helpful to avoid relapse to smoking | |||
| Tobacco | 7.3 | 7.1–7.5 | 3792 |
| Menthol | 11.5 | 11.2–11.8 | 5925 |
| Mint/wintergreen | 8.8 | 8.6–9.0 | 4525 |
| Fruit | 72.1 | 71.7–72.5 | 37,244 |
| Dessert/pastry/bakery | 61.9 | 61.5–62.3 | 31,958 |
| Candy/chocolate/sweet | 40.6 | 40.2–41.0 | 20,981 |
| Spice | 9.2 | 9.0–9.4 | 4735 |
| Coffee | 19.1 | 18.8–19.4 | 9857 |
| Alcohol/cocktail | 6.6 | 6.4–6.8 | 3425 |
| Non-alcoholic/non-coffee drink | 12.9 | 12.6–13.2 | 6641 |
| Unflavored | 0.7 | 0.6–0.8 | 363 |
| Other | 9.3 | 9.0–9.6 | 4816 |
(1) Data on participants who were using e-cigarettes every day or on some days when quitting smoking are presented in the rest of the table
(2) These participants were excluded from the rest of the analysis in the present table
*Multiple responses were allowed