| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5470 |
84.6%
|
| 2 | I have not stopped smoking | 403 |
6.2%
|
| 3 | 1-3 months | 225 |
3.5%
|
| 4 | 4-11 months | 78 |
1.2%
|
| 5 | One year | 82 |
1.3%
|
| 6 | 2 years | 33 |
0.5%
|
| 7 | 3 years or longer | 174 |
2.7%
|
| Sysmiss | 37 |