Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 3537 |
83.6%
|
2 | 0 times | 292 |
6.9%
|
3 | 1 to 3 times | 227 |
5.4%
|
4 | 4 or more times | 176 |
4.2%
|
Sysmiss | 30 |