| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1589 |
83.2%
|
| 2 | I do not smoke now | 186 |
9.7%
|
| 3 | Yes | 107 |
5.6%
|
| 4 | No | 28 |
1.5%
|
| Sysmiss | 6 |