| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1396 |
76.5%
|
| 2 | I have already stopped smoking cigarettes | 246 |
13.5%
|
| 3 | Yes | 151 |
8.3%
|
| 4 | No | 31 |
1.7%
|
| Sysmiss | 88 |