| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1029 |
72.2%
|
| 2 | I have quit smoking | 222 |
15.6%
|
| 3 | Yes | 160 |
11.2%
|
| 4 | No | 15 |
1.1%
|
| Sysmiss | 2 |