| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 86527 |
71.4%
|
| 2 | I do not smoke now | 20664 |
17.1%
|
| 3 | Yes | 7444 |
6.1%
|
| 4 | No | 6507 |
5.4%
|
| Sysmiss | 898 |