| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1262 |
76.1%
|
| 2 | I have quit smoking | 223 |
13.4%
|
| 3 | Yes | 149 |
9%
|
| 4 | No | 24 |
1.4%
|
| Sysmiss | 7 |