| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2808 |
72.3%
|
| 2 | I have successfully stopped smoking | 613 |
15.8%
|
| 3 | Yes | 279 |
7.2%
|
| 4 | No | 186 |
4.8%
|
| Sysmiss | 199 |