| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2947 |
76.7%
|
| 2 | I have already stopped smoking cigarettes | 435 |
11.3%
|
| 3 | Yes | 372 |
9.7%
|
| 4 | No | 86 |
2.2%
|
| Sysmiss | 187 |