| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1665 |
63.9%
|
| 2 | I don't smoke now | 253 |
9.7%
|
| 3 | Yes | 614 |
23.6%
|
| 4 | No | 75 |
2.9%
|
| Sysmiss | 15 |