| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2861 |
75.8%
|
| 2 | I don't smoke now | 534 |
14.1%
|
| 3 | Yes | 182 |
4.8%
|
| 4 | No | 199 |
5.3%
|
| Sysmiss | 42 |