| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1543 |
71.9%
|
| 2 | I did not smoke during the past year | 245 |
11.4%
|
| 3 | Yes | 203 |
9.5%
|
| 4 | No | 156 |
7.3%
|
| Sysmiss | 8 |