| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 7591 |
71.1%
|
| 2 | I have successfully stopped smoking | 1452 |
13.6%
|
| 3 | Yes | 986 |
9.2%
|
| 4 | No | 654 |
6.1%
|
| Sysmiss | 150 |