| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3016 |
64.8%
|
| 2 | I don't smoke now | 1019 |
21.9%
|
| 3 | Yes | 553 |
11.9%
|
| 4 | No | 65 |
1.4%
|
| Sysmiss | 64 |