Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 1226 |
66.7%
|
2 | Less than 1 week | 95 |
5.2%
|
3 | 1 week to 15 days | 71 |
3.9%
|
4 | 16 days to 1 month | 58 |
3.2%
|
5 | 2 to 3 months | 55 |
3%
|
6 | 4 to 6 months | 53 |
2.9%
|
7 | 6 months to 1 year | 71 |
3.9%
|
8 | More than 1 year | 208 |
11.3%
|
Sysmiss | 20 |