| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3913 |
64.5%
|
| 2 | I do not smoke now | 968 |
15.9%
|
| 3 | Yes | 757 |
12.5%
|
| 4 | No | 433 |
7.1%
|
| Sysmiss | 242 |