| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1008 |
71.1%
|
| 2 | Did not smoke cigarettes | 133 |
9.4%
|
| 3 | Yes | 175 |
12.3%
|
| 4 | No | 102 |
7.2%
|
| Sysmiss | 27 |