| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1508 |
87.2%
|
| 2 | Did not smoke cigarettes | 61 |
3.5%
|
| 3 | Yes | 143 |
8.3%
|
| 4 | No | 17 |
1%
|
| Sysmiss | 226 |