| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1091 |
67.1%
|
| 2 | I have already stopped smoking cigarettes | 336 |
20.7%
|
| 3 | Yes | 176 |
10.8%
|
| 4 | No | 23 |
1.4%
|
| Sysmiss | 21 |