| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3564 |
60.2%
|
| 2 | I do not smoke now | 1096 |
18.5%
|
| 3 | Yes | 929 |
15.7%
|
| 4 | No | 335 |
5.7%
|
| Sysmiss | 121 |