| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4610 |
72.4%
|
| 2 | I don't smoke now | 894 |
14%
|
| 3 | Yes | 480 |
7.5%
|
| 4 | No | 384 |
6%
|
| Sysmiss | 59 |