| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 841 |
67.6%
|
| 2 | Did not smoke cigarettes | 144 |
11.6%
|
| 3 | Yes | 171 |
13.7%
|
| 4 | No | 88 |
7.1%
|
| Sysmiss | 34 |