| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1940 |
94.7%
|
| 2 | Did not smoke cigarettes | 46 |
2.2%
|
| 3 | Yes | 53 |
2.6%
|
| 4 | No | 10 |
0.5%
|
| Sysmiss | 72 |