Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked cigarettes | 18314 |
66.5%
|
2 | Did not smoke cigarettes | 2994 |
10.9%
|
3 | Yes | 4376 |
15.9%
|
4 | No | 1871 |
6.8%
|
Sysmiss | 813 |