| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3872 |
72.4%
|
| 2 | I don't smoke now | 1018 |
19%
|
| 3 | Yes | 225 |
4.2%
|
| 4 | No | 236 |
4.4%
|
| Sysmiss | 111 |