| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1598 |
76.4%
|
| 2 | I have already stopped smoking cigarettes | 257 |
12.3%
|
| 3 | Yes | 133 |
6.4%
|
| 4 | No | 103 |
4.9%
|
| Sysmiss | 85 |