| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1305 |
76.1%
|
| 2 | I have not stopped smoking | 74 |
4.3%
|
| 3 | 1-3 months | 84 |
4.9%
|
| 4 | 4-11 months | 45 |
2.6%
|
| 5 | One year | 41 |
2.4%
|
| 6 | 2 years | 36 |
2.1%
|
| 7 | 3 years or longer | 130 |
7.6%
|
| Sysmiss | 22 |