Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 8257 |
99.5%
|
2 | I did not smoke during the past 12 months | 21 |
0.3%
|
3 | Yes | 3 |
0%
|
4 | No | 18 |
0.2%
|
Sysmiss | 9 |