| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1456 |
79.7%
|
| 2 | I have already stopped smoking cigarettes | 186 |
10.2%
|
| 3 | Yes | 162 |
8.9%
|
| 4 | No | 22 |
1.2%
|
| Sysmiss | 4 |