| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3040 |
70.9%
|
| 2 | I don't smoke now | 772 |
18%
|
| 3 | Yes | 312 |
7.3%
|
| 4 | No | 164 |
3.8%
|
| Sysmiss | 13 |