| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2228 |
63.2%
|
| 2 | Did not smoke cigarettes | 257 |
7.3%
|
| 3 | Yes | 859 |
24.4%
|
| 4 | No | 180 |
5.1%
|
| Sysmiss | 105 |