| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1437 |
68.9%
|
| 2 | I have not stopped smoking | 152 |
7.3%
|
| 3 | 1-3 months | 186 |
8.9%
|
| 4 | 4-11 months | 76 |
3.6%
|
| 5 | One year | 63 |
3%
|
| 6 | 2 years | 80 |
3.8%
|
| 7 | 3 years or longer | 93 |
4.5%
|
| Sysmiss | 6 |