| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2768 |
76.6%
|
| 2 | I don't smoke now | 494 |
13.7%
|
| 3 | Yes | 286 |
7.9%
|
| 4 | No | 66 |
1.8%
|
| Sysmiss | 19 |