| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1589 |
57.9%
|
| 2 | I don't smoke now | 464 |
16.9%
|
| 3 | Yes | 650 |
23.7%
|
| 4 | No | 42 |
1.5%
|
| Sysmiss | 33 |