| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1933 |
91.3%
|
| 2 | Did not smoke cigarettes | 65 |
3.1%
|
| 3 | Yes | 94 |
4.4%
|
| 4 | No | 25 |
1.2%
|
| Sysmiss | 91 |