| Value | Category | Cases | |
|---|---|---|---|
| 1 | I don’t smoke e-cigarettes | 5995 |
76.5%
|
| 2 | Yes | 1033 |
13.2%
|
| 3 | No | 541 |
6.9%
|
| 4 | Uncertain | 267 |
3.4%
|
| Sysmiss | 10 |