| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1104 |
67.6%
|
| 2 | Did not smoke cigarettes | 182 |
11.1%
|
| 3 | Yes | 208 |
12.7%
|
| 4 | No | 139 |
8.5%
|
| Sysmiss | 167 |