| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 661 |
63.3%
|
| 2 | I have quit smoking | 195 |
18.7%
|
| 3 | Yes | 170 |
16.3%
|
| 4 | No | 18 |
1.7%
|
| Sysmiss | 3 |