| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2925 |
73.1%
|
| 2 | I have not stopped smoking | 197 |
4.9%
|
| 3 | 1-3 months | 296 |
7.4%
|
| 4 | 4-11 months | 131 |
3.3%
|
| 5 | One year | 166 |
4.1%
|
| 6 | 2 years | 108 |
2.7%
|
| 7 | 3 years or longer | 180 |
4.5%
|
| Sysmiss | 58 |