| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7951 |
56.9%
|
| 2 | I have already stopped smoking cigarettes | 2651 |
19%
|
| 3 | Yes | 2879 |
20.6%
|
| 4 | No | 486 |
3.5%
|
| Sysmiss | 145 |