| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1633 |
86%
|
| 2 | I have not stopped smoking | 76 |
4%
|
| 3 | 1-3 months | 57 |
3%
|
| 4 | 4-11 months | 29 |
1.5%
|
| 5 | One year | 49 |
2.6%
|
| 6 | 2 years | 19 |
1%
|
| 7 | 3 years or longer | 35 |
1.8%
|
| Sysmiss | 19 |