| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 715 |
57.7%
|
| 2 | Did not smoke cigarettes | 172 |
13.9%
|
| 3 | Yes | 251 |
20.2%
|
| 4 | No | 102 |
8.2%
|
| Sysmiss | 40 |