Table 2. e-Cigarette Continuation in the US Between 2019 and 2021 Among Youth Aged 12 to 17 Years Who Used e-Cigarettes in 2019.
| Characteristic | e-Cigarette continuation in 2021, No. (%) [95% CI] |
|---|---|
| Among those who used e-cigarettes in 2019 (n = 773) | 360 (47.8) [44.0-51.1] |
| e-Cigarette flavor/device combination used in 2019 | |
| Any sweet flavor + cartridge device (n = 291)a | 144 (51.5) [45.7-57.3] |
| All other flavor/device combinations, known (n = 435) | 204 (47.6) [42.8-52.4) |
| Unknown flavor/device combination (n = 47) | 12 (24.6) [13.8-39.9] |
| e-Cigarette brand used in 2019 | |
| Juul (n = 170) | 103 (61.0) [52.4-69.0] |
| Blu cigs (n = 25) | 14 (61.5) [40.0-79.3] |
| Smok (n = 18) | 11 (63.6) [39.3-82.5] |
| Other known brands (n = 63) | 36 (57.9) [46.6-68.4] |
| Unknown brands (n = 497) | 196 (40.5) [36.4-44.8] |
| e-Cigarette containing nicotine used in 2019 | |
| Yes (n = 539) | 291 (54.3) [50.4-58.2] |
| No (n = 136) | 43 (32.4) [23.4-42.9] |
| Do not know (n = 98) | 26 (30.7) [21.8-41.3] |
| Frequency of use in 2019 (No. of days used e-cigarettes in past 30 d) | |
| 1-5 d (n = 413) | 130 (33.6) [28.8-38.7] |
| 6-19 d (n = 143) | 75 (53.3) [43.7-62.6] |
| 20-30 d (n = 192) | 140 (71.7) [65.0-77.5] |
| Not reported (n = 25) | 15 (55.0) [33.8-74.6] |
a
Any sweet flavor included use of any of the following flavors (with or without use of tobacco flavor or menthol/mint flavor): fruit, chocolate, candy, desserts, other sweets, alcoholic drink, nonalcoholic drink, clove, and spice.