| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 974 |
47.7%
|
| 2 | I don't smoke now | 380 |
18.6%
|
| 3 | Yes | 499 |
24.4%
|
| 4 | No | 191 |
9.3%
|
| Sysmiss | 8 |