| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1155 |
71.7%
|
| 2 | Did not smoke cigarettes | 176 |
10.9%
|
| 3 | Yes | 141 |
8.7%
|
| 4 | No | 140 |
8.7%
|
| Sysmiss | 252 |