| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1631 |
80.1%
|
| 2 | I have already stopped smoking cigarettes | 232 |
11.4%
|
| 3 | Yes | 153 |
7.5%
|
| 4 | No | 21 |
1%
|
| Sysmiss | 24 |