| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 915 |
57.1%
|
| 2 | Did not smoke cigarettes | 211 |
13.2%
|
| 3 | Yes | 324 |
20.2%
|
| 4 | No | 152 |
9.5%
|
| Sysmiss | 255 |