| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1052 |
60%
|
| 2 | Did not smoke cigarettes | 253 |
14.4%
|
| 3 | Yes | 312 |
17.8%
|
| 4 | No | 137 |
7.8%
|
| Sysmiss | 279 |