| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1376 |
86.4%
|
| 2 | Did not smoke cigarettes | 144 |
9%
|
| 3 | Yes | 41 |
2.6%
|
| 4 | No | 31 |
1.9%
|
| Sysmiss | 72 |