| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2107 |
94.5%
|
| 2 | I did not smoke during the past year | 53 |
2.4%
|
| 3 | Yes | 46 |
2.1%
|
| 4 | No | 23 |
1%
|
| Sysmiss | 12 |