| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 951 |
84.5%
|
| 2 | I have not stopped smoking | 69 |
6.1%
|
| 3 | 1-3 months | 41 |
3.6%
|
| 4 | 4-11 months | 18 |
1.6%
|
| 5 | One year | 13 |
1.2%
|
| 6 | 2 years | 5 |
0.4%
|
| 7 | 3 years or longer | 28 |
2.5%
|
| Sysmiss | 310 |