| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1807 |
84.2%
|
| 2 | I have not stopped smoking | 90 |
4.2%
|
| 3 | 1-3 months | 91 |
4.2%
|
| 4 | 4-11 months | 28 |
1.3%
|
| 5 | One year | 49 |
2.3%
|
| 6 | 2 years | 31 |
1.4%
|
| 7 | 3 years or longer | 51 |
2.4%
|
| Sysmiss | 8 |