| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3954 |
89.5%
|
| 2 | Did not smoke cigarettes | 124 |
2.8%
|
| 3 | Yes | 287 |
6.5%
|
| 4 | No | 52 |
1.2%
|
| Sysmiss | 115 |