| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 587 |
51.7%
|
| 2 | Did not smoke cigarettes | 184 |
16.2%
|
| 3 | Yes | 252 |
22.2%
|
| 4 | No | 112 |
9.9%
|
| Sysmiss | 16 |