| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 108 |
78.3%
|
| 2 | Did not smoke cigarettes | 13 |
9.4%
|
| 3 | Yes | 13 |
9.4%
|
| 4 | No | 4 |
2.9%
|
| Sysmiss | 3 |