| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8389 |
77.6%
|
| 2 | I have successfully stopped smoking | 1197 |
11.1%
|
| 3 | Yes | 530 |
4.9%
|
| 4 | No | 691 |
6.4%
|
| Sysmiss | 262 |