| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2154 |
87.3%
|
| 2 | Did not smoke cigarettes | 69 |
2.8%
|
| 3 | Yes | 80 |
3.2%
|
| 4 | No | 164 |
6.6%
|
| Sysmiss | 203 |