| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1375 |
75.1%
|
| 2 | I have already stopped smoking cigarettes | 249 |
13.6%
|
| 3 | Yes | 190 |
10.4%
|
| 4 | No | 17 |
0.9%
|
| Sysmiss | 4 |