| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 871 |
87.4%
|
| 2 | I did not smoke cigarettes during the past year | 64 |
6.4%
|
| 3 | Yes | 42 |
4.2%
|
| 4 | No | 19 |
1.9%
|
| Sysmiss | 15 |