| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4464 |
90.3%
|
| 2 | I have already stopped smoking | 249 |
5%
|
| 3 | Yes | 188 |
3.8%
|
| 4 | No | 40 |
0.8%
|
| Sysmiss | 22 |