| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1480 |
69.4%
|
| 2 | I have not stopped smoking | 129 |
6.1%
|
| 3 | 1-3 months | 123 |
5.8%
|
| 4 | 4-11 months | 48 |
2.3%
|
| 5 | One year | 70 |
3.3%
|
| 6 | 2 years | 49 |
2.3%
|
| 7 | 3 years or longer | 233 |
10.9%
|
| Sysmiss | 27 |