| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1084 |
71.6%
|
| 2 | I have quit smoking | 222 |
14.7%
|
| 3 | Yes | 191 |
12.6%
|
| 4 | No | 18 |
1.2%
|
| Sysmiss | 25 |