| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2973 |
85.3%
|
| 2 | Did not smoke cigarettes | 128 |
3.7%
|
| 3 | Yes | 244 |
7%
|
| 4 | No | 140 |
4%
|
| Sysmiss | 166 |