| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1668 |
80.4%
|
| 2 | I have already stopped smoking cigarettes | 245 |
11.8%
|
| 3 | Yes | 148 |
7.1%
|
| 4 | No | 13 |
0.6%
|
| Sysmiss | 5 |