| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1130 |
62.9%
|
| 2 | I have quit smoking | 343 |
19.1%
|
| 3 | Yes | 243 |
13.5%
|
| 4 | No | 81 |
4.5%
|
| Sysmiss | 4 |