| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1447 |
76.2%
|
| 2 | Did not smoke cigarettes | 81 |
4.3%
|
| 3 | Yes | 223 |
11.7%
|
| 4 | No | 148 |
7.8%
|
| Sysmiss | 215 |