| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1174 |
57.5%
|
| 2 | I have already stopped smoking cigarettes | 402 |
19.7%
|
| 3 | Yes | 433 |
21.2%
|
| 4 | No | 34 |
1.7%
|
| Sysmiss | 16 |