| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1684 |
67.6%
|
| 2 | Did not smoke cigarettes | 239 |
9.6%
|
| 3 | Yes | 346 |
13.9%
|
| 4 | No | 222 |
8.9%
|
| Sysmiss | 30 |