| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 3771 |
62.5%
|
| 2 | I have successfully stopped smoking | 1061 |
17.6%
|
| 3 | Yes | 614 |
10.2%
|
| 4 | No | 584 |
9.7%
|
| Sysmiss | 201 |