| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 927 |
54.3%
|
| 2 | Did not smoke cigarettes | 259 |
15.2%
|
| 3 | Yes | 353 |
20.7%
|
| 4 | No | 167 |
9.8%
|
| Sysmiss | 265 |