| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1654 |
84.4%
|
| 2 | I did not smoke during the past year | 146 |
7.5%
|
| 3 | Yes | 72 |
3.7%
|
| 4 | No | 87 |
4.4%
|
| Sysmiss | 25 |