| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4532 |
85.7%
|
| 2 | I don't smoke now | 468 |
8.8%
|
| 3 | Yes | 246 |
4.7%
|
| 4 | No | 44 |
0.8%
|
| Sysmiss | 8 |