| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1582 |
87.3%
|
| 2 | I did not smoke during the past year | 169 |
9.3%
|
| 3 | Yes | 35 |
1.9%
|
| 4 | No | 27 |
1.5%
|
| Sysmiss | 22 |