| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3865 |
71.4%
|
| 2 | I don't smoke now | 681 |
12.6%
|
| 3 | Yes | 736 |
13.6%
|
| 4 | No | 129 |
2.4%
|
| Sysmiss | 51 |