| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1551 |
69.8%
|
| 2 | Did not smoke cigarettes | 268 |
12.1%
|
| 3 | Yes | 275 |
12.4%
|
| 4 | No | 127 |
5.7%
|
| Sysmiss | 44 |