| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1506 |
74.1%
|
| 2 | I don't smoke now | 271 |
13.3%
|
| 3 | Yes | 112 |
5.5%
|
| 4 | No | 143 |
7%
|
| Sysmiss | 77 |