| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4329 |
88.7%
|
| 2 | I did not smoke during the past year | 288 |
5.9%
|
| 3 | Yes | 169 |
3.5%
|
| 4 | No | 92 |
1.9%
|
| Sysmiss | 88 |