| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 832 |
76.1%
|
| 2 | Did not smoke cigarettes | 106 |
9.7%
|
| 3 | Yes | 117 |
10.7%
|
| 4 | No | 39 |
3.6%
|
| Sysmiss | 42 |