| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 881 |
72.7%
|
| 2 | Did not smoke cigarettes | 151 |
12.5%
|
| 3 | Yes | 140 |
11.6%
|
| 4 | No | 40 |
3.3%
|
| Sysmiss | 22 |