| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 748 |
41.7%
|
| 2 | Did not smoke cigarettes | 399 |
22.3%
|
| 3 | Yes | 484 |
27%
|
| 4 | No | 162 |
9%
|
| Sysmiss | 244 |