| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1538 |
55.8%
|
| 2 | I don't smoke now | 710 |
25.8%
|
| 3 | Yes | 165 |
6%
|
| 4 | No | 343 |
12.4%
|
| Sysmiss | 22 |