| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1497 |
61%
|
| 2 | I don't smoke now | 577 |
23.5%
|
| 3 | Yes | 238 |
9.7%
|
| 4 | No | 143 |
5.8%
|
| Sysmiss | 30 |