| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1509 |
83.3%
|
| 2 | I did not smoke during the past year | 141 |
7.8%
|
| 3 | Yes | 118 |
6.5%
|
| 4 | No | 44 |
2.4%
|
| Sysmiss | 18 |