| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2454 |
56.9%
|
| 2 | I did not smoke during the past year | 882 |
20.4%
|
| 3 | Yes | 721 |
16.7%
|
| 4 | No | 257 |
6%
|
| Sysmiss | 12 |