| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 603 |
55.8%
|
| 2 | Did not smoke cigarettes | 149 |
13.8%
|
| 3 | Yes | 239 |
22.1%
|
| 4 | No | 89 |
8.2%
|
| Sysmiss | 46 |