| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1337 |
88.9%
|
| 2 | I did not smoke during the past year | 106 |
7%
|
| 3 | Yes | 33 |
2.2%
|
| 4 | No | 28 |
1.9%
|
| Sysmiss | 72 |