| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used electronic cigarette | 2041 |
76.4%
|
| 2 | I did not use electronic cigarettes during the past 12 months | 212 |
7.9%
|
| 3 | Yes | 297 |
11.1%
|
| 4 | No | 120 |
4.5%
|
| Sysmiss | 4 |