| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never used electronic cigarettes | 2886 |
61.8%
|
| 2 | I did not use electronic cigarettes during the past 12 months | 814 |
17.4%
|
| 3 | Yes | 455 |
9.7%
|
| 4 | No | 515 |
11%
|
| Sysmiss | 47 |