| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 570 |
55.2%
|
| 2 | Did not smoke cigarettes | 139 |
13.5%
|
| 3 | Yes | 129 |
12.5%
|
| 4 | No | 194 |
18.8%
|
| Sysmiss | 389 |