| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4746 |
81.2%
|
| 2 | I did not smoke during the past year | 799 |
13.7%
|
| 3 | Yes | 211 |
3.6%
|
| 4 | No | 87 |
1.5%
|
| Sysmiss | 97 |