| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4982 |
80.6%
|
| 2 | I don't smoke now | 543 |
8.8%
|
| 3 | Yes | 472 |
7.6%
|
| 4 | No | 181 |
2.9%
|
| Sysmiss | 50 |