| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1000 |
73.4%
|
| 2 | Did not smoke cigarettes | 184 |
13.5%
|
| 3 | Yes | 88 |
6.5%
|
| 4 | No | 90 |
6.6%
|
| Sysmiss | 180 |