| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1651 |
88.2%
|
| 2 | I did not smoke during the past year | 121 |
6.5%
|
| 3 | Yes | 53 |
2.8%
|
| 4 | No | 46 |
2.5%
|
| Sysmiss | 9 |