| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3394 |
79.7%
|
| 2 | I don't smoke now | 373 |
8.8%
|
| 3 | Yes | 337 |
7.9%
|
| 4 | No | 153 |
3.6%
|
| Sysmiss | 25 |