| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1590 |
62.9%
|
| 2 | I don't smoke now | 366 |
14.5%
|
| 3 | Yes | 525 |
20.8%
|
| 4 | No | 46 |
1.8%
|
| Sysmiss | 23 |