| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3830 |
76.9%
|
| 2 | I don't smoke now | 533 |
10.7%
|
| 3 | Yes | 495 |
9.9%
|
| 4 | No | 121 |
2.4%
|
| Sysmiss | 176 |