| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1079 |
69.8%
|
| 2 | I have not stopped smoking | 90 |
5.8%
|
| 3 | 1-3 months | 113 |
7.3%
|
| 4 | 4-11 months | 56 |
3.6%
|
| 5 | One year | 40 |
2.6%
|
| 6 | 2 years | 40 |
2.6%
|
| 7 | 3 years or longer | 127 |
8.2%
|
| Sysmiss | 34 |