| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1993 |
68.7%
|
| 2 | I did not smoke during the past year | 334 |
11.5%
|
| 3 | Yes | 413 |
14.2%
|
| 4 | No | 160 |
5.5%
|
| Sysmiss | 31 |