| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4649 |
74.5%
|
| 2 | I have already stopped smoking cigarettes | 577 |
9.2%
|
| 3 | Yes | 883 |
14.1%
|
| 4 | No | 134 |
2.1%
|
| Sysmiss | 135 |