| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1278 |
75.6%
|
| 2 | Did not smoke cigarettes | 195 |
11.5%
|
| 3 | Yes | 107 |
6.3%
|
| 4 | No | 110 |
6.5%
|
| Sysmiss | 31 |