| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never use electronic cigarettes | 2823 |
60.8%
|
| 2 | I do not use or smoke electronic cigarettes | 1307 |
28.1%
|
| 3 | Yes | 177 |
3.8%
|
| 4 | No | 338 |
7.3%
|
| Sysmiss | 72 |