| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 30 |
22.4%
|
| 2 | Did not smoke cigarettes | 34 |
25.4%
|
| 3 | Yes | 61 |
45.5%
|
| 4 | No | 9 |
6.7%
|
| Sysmiss | 6 |