| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1650 |
77.4%
|
| 2 | I have already stopped smoking cigarettes | 279 |
13.1%
|
| 3 | Yes | 182 |
8.5%
|
| 4 | No | 21 |
1%
|
| Sysmiss | 4 |