| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3195 |
75.2%
|
| 2 | I have already stopped smoking cigarettes | 333 |
7.8%
|
| 3 | Yes | 550 |
12.9%
|
| 4 | No | 171 |
4%
|
| Sysmiss | 34 |