| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1502 |
61.5%
|
| 2 | I don't smoke now | 438 |
17.9%
|
| 3 | Yes | 411 |
16.8%
|
| 4 | No | 93 |
3.8%
|
| Sysmiss | 41 |