| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 1808 |
75.6%
|
| 2 | I have successfully stopped smoking | 232 |
9.7%
|
| 3 | Yes | 166 |
6.9%
|
| 4 | No | 187 |
7.8%
|
| Sysmiss | 22 |