| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1111 |
58.2%
|
| 2 | I have not stopped smoking | 180 |
9.4%
|
| 3 | 1-3 months | 245 |
12.8%
|
| 4 | 4-11 months | 96 |
5%
|
| 5 | One year | 106 |
5.6%
|
| 6 | 2 years | 54 |
2.8%
|
| 7 | 3 years or longer | 117 |
6.1%
|
| Sysmiss | 14 |