| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 1556 |
72.5%
|
| 2 | I have successfully stopped smoking | 239 |
11.1%
|
| 3 | Yes | 125 |
5.8%
|
| 4 | No | 227 |
10.6%
|
| Sysmiss | 8 |