| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 966 |
64.8%
|
| 2 | Did not smoke cigarettes | 232 |
15.6%
|
| 3 | Yes | 190 |
12.8%
|
| 4 | No | 102 |
6.8%
|
| Sysmiss | 133 |