| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3164 |
69.5%
|
| 2 | I don't smoke now | 689 |
15.1%
|
| 3 | Yes | 638 |
14%
|
| 4 | No | 62 |
1.4%
|
| Sysmiss | 51 |