| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2907 |
89.8%
|
| 2 | I don't smoke now | 90 |
2.8%
|
| 3 | Yes | 191 |
5.9%
|
| 4 | No | 49 |
1.5%
|
| Sysmiss | 8 |