| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1422 |
94.9%
|
| 2 | I don't smoke now | 59 |
3.9%
|
| 3 | Yes | 16 |
1.1%
|
| 4 | No | 2 |
0.1%
|
| Sysmiss | 6 |