| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 708 |
94.1%
|
| 2 | Did not smoke cigarettes | 16 |
2.1%
|
| 3 | Yes | 17 |
2.3%
|
| 4 | No | 11 |
1.5%
|
| Sysmiss | 185 |