| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2088 |
79.1%
|
| 2 | I have already stopped smoking | 197 |
7.5%
|
| 3 | Yes | 272 |
10.3%
|
| 4 | No | 82 |
3.1%
|
| Sysmiss | 27 |