| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1921 |
85.7%
|
| 2 | I did not smoke during the past year | 91 |
4.1%
|
| 3 | Yes | 144 |
6.4%
|
| 4 | No | 85 |
3.8%
|
| Sysmiss | 15 |