| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 939 |
64.8%
|
| 2 | I did not smoke during the past year | 282 |
19.4%
|
| 3 | Yes | 138 |
9.5%
|
| 4 | No | 91 |
6.3%
|
| Sysmiss | 113 |