| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2910 |
79.5%
|
| 2 | Did not smoke cigarettes | 375 |
10.2%
|
| 3 | Yes | 277 |
7.6%
|
| 4 | No | 99 |
2.7%
|
| Sysmiss | 208 |