| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1228 |
74.6%
|
| 2 | Did not smoke cigarettes | 215 |
13.1%
|
| 3 | Yes | 169 |
10.3%
|
| 4 | No | 35 |
2.1%
|
| Sysmiss | 51 |