| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1650 |
71.3%
|
| 2 | I don't smoke now | 267 |
11.5%
|
| 3 | Yes | 326 |
14.1%
|
| 4 | No | 70 |
3%
|
| Sysmiss | 6 |