| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1557 |
76%
|
| 2 | I have not stopped smoking | 112 |
5.5%
|
| 3 | 1-3 months | 171 |
8.3%
|
| 4 | 4-11 months | 47 |
2.3%
|
| 5 | One year | 44 |
2.1%
|
| 6 | 2 years | 46 |
2.2%
|
| 7 | 3 years or longer | 72 |
3.5%
|
| Sysmiss | 19 |