| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1959 |
77.5%
|
| 2 | Did not smoke cigarettes | 265 |
10.5%
|
| 3 | Yes | 242 |
9.6%
|
| 4 | No | 61 |
2.4%
|
| Sysmiss | 36 |