| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3154 |
78.6%
|
| 2 | I have already stopped smoking cigarettes | 454 |
11.3%
|
| 3 | Yes | 325 |
8.1%
|
| 4 | No | 79 |
2%
|
| Sysmiss | 59 |