| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1586 |
83.9%
|
| 2 | I did not smoke cigarettes during the past year | 121 |
6.4%
|
| 3 | Yes | 91 |
4.8%
|
| 4 | No | 93 |
4.9%
|
| Sysmiss | 32 |