| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2306 |
71.9%
|
| 2 | I don't smoke now | 569 |
17.7%
|
| 3 | Yes | 210 |
6.5%
|
| 4 | No | 123 |
3.8%
|
| Sysmiss | 7 |