| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2799 |
77.1%
|
| 2 | I don't smoke now | 577 |
15.9%
|
| 3 | Yes | 197 |
5.4%
|
| 4 | No | 57 |
1.6%
|
| Sysmiss | 3 |