| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1757 |
81.2%
|
| 2 | I did not smoke during the past year | 193 |
8.9%
|
| 3 | Yes | 139 |
6.4%
|
| 4 | No | 76 |
3.5%
|
| Sysmiss | 30 |