| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2000 |
94.9%
|
| 2 | I did not smoke during the past year | 57 |
2.7%
|
| 3 | Yes | 41 |
1.9%
|
| 4 | No | 10 |
0.5%
|
| Sysmiss | 24 |