| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2055 |
89.2%
|
| 2 | Did not smoke cigarettes | 78 |
3.4%
|
| 3 | Yes | 109 |
4.7%
|
| 4 | No | 62 |
2.7%
|
| Sysmiss | 351 |