| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1165 |
72.2%
|
| 2 | I have quit smoking | 244 |
15.1%
|
| 3 | Yes | 179 |
11.1%
|
| 4 | No | 25 |
1.5%
|
| Sysmiss | 3 |