| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5798 |
68.6%
|
| 2 | I do not smoke now | 1313 |
15.5%
|
| 3 | Yes | 922 |
10.9%
|
| 4 | No | 420 |
5%
|
| Sysmiss | 149 |