| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 998 |
66.5%
|
| 2 | I do not smoke now | 303 |
20.2%
|
| 3 | Yes | 143 |
9.5%
|
| 4 | No | 56 |
3.7%
|
| Sysmiss | 11 |