| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4950 |
89.5%
|
| 2 | I don't smoke now | 333 |
6%
|
| 3 | Yes | 114 |
2.1%
|
| 4 | No | 135 |
2.4%
|
| Sysmiss | 67 |