| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2430 |
78.4%
|
| 2 | Did not smoke cigarettes | 196 |
6.3%
|
| 3 | Yes | 377 |
12.2%
|
| 4 | No | 95 |
3.1%
|
| Sysmiss | 235 |