| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4970 |
79.8%
|
| 2 | I don't smoke now | 610 |
9.8%
|
| 3 | Yes | 289 |
4.6%
|
| 4 | No | 356 |
5.7%
|
| Sysmiss | 171 |