| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5968 |
70.1%
|
| 2 | I did not smoke during the past year | 1129 |
13.3%
|
| 3 | Yes | 964 |
11.3%
|
| 4 | No | 458 |
5.4%
|
| Sysmiss | 83 |