| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 2672 |
58%
|
| 2 | I have successfully stopped smoking | 1084 |
23.5%
|
| 3 | 435 |
9.4%
|
|
| 4 | No | 415 |
9%
|
| Sysmiss | 17 |