| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2270 |
86.3%
|
| 2 | Did not smoke cigarettes | 116 |
4.4%
|
| 3 | Yes | 168 |
6.4%
|
| 4 | No | 76 |
2.9%
|
| Sysmiss | 239 |