| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2118 |
85.9%
|
| 2 | Did not smoke cigarettes | 110 |
4.5%
|
| 3 | Yes | 193 |
7.8%
|
| 4 | No | 46 |
1.9%
|
| Sysmiss | 161 |