| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 6207 |
72.4%
|
| 2 | I don't smoke now | 518 |
6%
|
| 3 | Yes | 589 |
6.9%
|
| 4 | No | 1265 |
14.7%
|
| Sysmiss | 144 |