Table 3.
Frequency of e-cigarette use according to reason for e-cigarette use among ever e-cigarette users of Korean adolescents (N = 6656).
| Reason for E-Cigarette Use | Number of Days Used E-Cigarettes, % (95% CI) * | ||||
|---|---|---|---|---|---|
| N (%) † | 0–2 | 3–9 | ≥10 | p-Value | |
| N (%) ‡ | 6656 (100) | 4962 (73.7) | 669 (10.2) | 1024 (16.1) | |
| Since they might be less harmful | 1254 (18.9) | 19.3 (18.0–20.7) | 17.9 (15.1–21.0) | 17.6 (15.3–20.1) | <0.001 |
| For smoking cession | 851 (13.1) | 10.6 (9.5–11.7) | 18.7 (15.6–22.2) | 21.0 (18.1–24.3) | |
| For indoor use | 675 (10.7) | 7.9 (7.2–8.7) | 17.0 (14.0–20.3) | 19.5 (17.0–22.3) | |
| Since they are easily obtained | 94 (1.5) | 0.6 (0.4–0.9) | 5.2 (3.6–7.5) | 3.0 (2.1–4.3) | |
| Since they have better taste | 658 (9.6) | 9.0 (8.1–10.0) | 12.6 (10.2–15.6) | 10.5 (8.6–12.8) | |
| Since they have good flavor | 613 (9.3) | 10.0 (9.1–10.9) | 7.2 (5.4–9.7) | 7.2 (5.6–9.1) | |
| Since they do not have the smoking smell | 491 (7.5) | 6.4 (5.7–7.2) | 7.5 (5.5–10.2) | 12.5 (10.4–15.0) | |
| Curiosity | 1572 (22.9) | 28.8 (27.3–30.4) | 10.2 (7.8–13.1) | 3.9 (2.9–5.4) | |
| Other | 447 (6.6) | 7.4 (6.6–8.2) | 3.7 (2.4–5.6) | 4.7 (3.5–6.4) | |
* The percentage and confidence interval denotes row %. † The number in parenthesis denotes row %. ‡ The number in parenthesis denotes column %. CI: Confidence interval.