| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1202 |
59.5%
|
| 2 | I have not stopped smoking | 201 |
9.9%
|
| 3 | 1-3 months | 195 |
9.6%
|
| 4 | 4-11 months | 108 |
5.3%
|
| 5 | One year | 119 |
5.9%
|
| 6 | 2 years | 94 |
4.7%
|
| 7 | 3 years or longer | 102 |
5%
|
| Sysmiss | 38 |