| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7453 |
90.6%
|
| 2 | I have already stopped smoking cigarettes | 415 |
5%
|
| 3 | Yes | 233 |
2.8%
|
| 4 | No | 127 |
1.5%
|
| Sysmiss | 297 |