| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 839 |
69.1%
|
| 2 | Did not smoke cigarettes | 116 |
9.6%
|
| 3 | Yes | 185 |
15.2%
|
| 4 | No | 74 |
6.1%
|
| Sysmiss | 20 |