| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8301 |
72.2%
|
| 2 | I have not stopped smoking | 544 |
4.7%
|
| 3 | 1-3 months | 1115 |
9.7%
|
| 4 | 4-11 months | 352 |
3.1%
|
| 5 | One year | 407 |
3.5%
|
| 6 | 2 years | 179 |
1.6%
|
| 7 | 3 years or longer | 603 |
5.2%
|
| Sysmiss | 129 |