| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1917 |
90.6%
|
| 2 | I have already stopped smoking cigarettes | 87 |
4.1%
|
| 3 | Yes | 91 |
4.3%
|
| 4 | No | 21 |
1%
|
| Sysmiss | 17 |