Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 0 |
0%
|
2 | I did not smoke during the past 12 months | 0 |
0%
|
3 | Yes | 39 |
86.7%
|
4 | No | 6 |
13.3%
|
Sysmiss | 2718 |