| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1609 |
77.5%
|
| 2 | I don't smoke now | 198 |
9.5%
|
| 3 | Yes | 173 |
8.3%
|
| 4 | No | 95 |
4.6%
|
| Sysmiss | 34 |