| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8068 |
81.2%
|
| 2 | I did not smoke during the past year | 840 |
8.5%
|
| 3 | Yes | 837 |
8.4%
|
| 4 | No | 193 |
1.9%
|
| Sysmiss | 25 |