| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4497 |
91%
|
| 2 | I did not smoke during the past year | 243 |
4.9%
|
| 3 | Yes | 156 |
3.2%
|
| 4 | No | 48 |
1%
|
| Sysmiss | 19 |