| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2303 |
70.1%
|
| 2 | I have already stopped smoking cigarettes | 307 |
9.3%
|
| 3 | Yes | 550 |
16.7%
|
| 4 | No | 127 |
3.9%
|
| Sysmiss | 16 |