Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked cigarettes | 1970 |
82.5%
|
2 | 1 -3 months | 289 |
12.1%
|
3 | 4 -11 months | 66 |
2.8%
|
4 | One year | 26 |
1.1%
|
5 | 2 years | 27 |
1.1%
|
6 | 3 years or longer | 11 |
0.5%
|
Sysmiss | 93 |