| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2109 |
79.2%
|
| 2 | I don't smoke now | 305 |
11.4%
|
| 3 | Yes | 184 |
6.9%
|
| 4 | No | 66 |
2.5%
|
| Sysmiss | 10 |