| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1480 |
81.5%
|
| 2 | I have successfully stopped smoking | 128 |
7%
|
| 3 | Yes | 170 |
9.4%
|
| 4 | No | 39 |
2.1%
|
| Sysmiss | 14 |