Reasons cited by all adults who ever used e-cigarettes for why they use/have used them
| Past users 0 days in past 30, % (95% CI) | Infrequent users 1–5 days in past 30, % (95% CI) | Intermediate users 6–29 days in past 30, % (95% CI) | Daily users Every day in past 30, % (95% CI) | |
|---|---|---|---|---|
| Goal oriented | ||||
| To quit other tobacco products | 39.8 (35.6 to 43.9) | 41.2 (33.5 to 48.9) | 76.6 (65.7 to 87.5) | 86.3 (77.8 to 94.8) |
| To cut down on other tobacco products | 42.7 (38.5 to 46.9) | 49.3 (41.3 to 57.3) | 84.6 (75.0 to 94.2) | 91.0 (84.7 to 97.2) |
| Since they might be less harmful than other tobacco products | 45.3 (41.0 to 49.6) | 54.5 (46.5 to 62.5) | 63.9 (50.6 to 77.2) | 87.3 (76.9 to 97.7) |
| To use them in places where other tobacco is not allowed | 32.3 (28.3 to 36.3) | 46.9 (38.9 to 54.8) | 58.2 (45.4 to 70.9) | 65.6 (52.9 to 78.3) |
| Since they are affordable | 21.4 (17.9 to 24.9) | 36.3 (28.5 to 44.1) | 65.5 (52.9 to 78.1) | 74.5 (62.9 to 86.0) |
| Non-goal oriented | ||||
| Owing to curiosity about e-cigarettes | 81.9 (78.6 to 85.2) | 79.2 (72.9 to 85.5) | 64.0 (51.6 to 76.3) | 51.8 (38.2 to 65.3) |
| Since they come in menthol flavour | 11.9 (9.1 to 14.7) | 11.6 (6.7 to 16.5) | 18.4 (7.8 to 29.1) | 17.7 (7.3 to 28.0) |
| Since they come in other flavours | 25.0 (21.2 to 28.8) | 50.4 (42.4 to 58.4) | 41.9 (28.9 to 54.9) | 55.5 (42.2 to 68.8) |
Percentages show the proportion within each mutually exclusive column endorsing each reason.