| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5733 |
82.5%
|
| 2 | Did not smoke cigarettes | 392 |
5.6%
|
| 3 | Yes | 571 |
8.2%
|
| 4 | No | 251 |
3.6%
|
| Sysmiss | 194 |