| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1808 |
89.6%
|
| 2 | Did not smoke cigarettes | 111 |
5.5%
|
| 3 | Yes | 64 |
3.2%
|
| 4 | No | 34 |
1.7%
|
| Sysmiss | 159 |