| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2952 |
69.2%
|
| 2 | I don't smoke now | 589 |
13.8%
|
| 3 | Yes | 632 |
14.8%
|
| 4 | No | 92 |
2.2%
|
| Sysmiss | 36 |