| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1422 |
68.1%
|
| 2 | I have not stopped smoking | 179 |
8.6%
|
| 3 | 1-3 months | 227 |
10.9%
|
| 4 | 4-11 months | 61 |
2.9%
|
| 5 | One year | 55 |
2.6%
|
| 6 | 2 years | 38 |
1.8%
|
| 7 | 3 years or longer | 105 |
5%
|
| Sysmiss | 69 |