| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 862 |
57.7%
|
| 2 | Did not smoke cigarettes | 176 |
11.8%
|
| 3 | Yes | 327 |
21.9%
|
| 4 | No | 130 |
8.7%
|
| Sysmiss | 430 |