| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2546 |
64.4%
|
| 2 | I don't smoke now | 546 |
13.8%
|
| 3 | Yes | 736 |
18.6%
|
| 4 | No | 126 |
3.2%
|
| Sysmiss | 31 |