| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 5039 |
82.9%
|
| 2 | I have already stopped smoking | 494 |
8.1%
|
| 3 | Yes | 458 |
7.5%
|
| 4 | No | 86 |
1.4%
|
| Sysmiss | 23 |