| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6746 |
81.7%
|
| 2 | Did not smoke cigarettes | 474 |
5.7%
|
| 3 | Yes | 906 |
11%
|
| 4 | No | 130 |
1.6%
|
| Sysmiss | 505 |