| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1240 |
83.1%
|
| 2 | Did not smoke cigarettes | 81 |
5.4%
|
| 3 | Yes | 150 |
10%
|
| 4 | No | 22 |
1.5%
|
| Sysmiss | 82 |