| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1665 |
72.4%
|
| 2 | I have already stopped smoking cigarettes | 363 |
15.8%
|
| 3 | Yes | 251 |
10.9%
|
| 4 | No | 22 |
1%
|
| Sysmiss | 6 |