| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1268 |
68%
|
| 2 | I have not stopped smoking | 168 |
9%
|
| 3 | 1-3 months | 165 |
8.8%
|
| 4 | 4-11 months | 74 |
4%
|
| 5 | One year | 87 |
4.7%
|
| 6 | 2 years | 41 |
2.2%
|
| 7 | 3 years or longer | 62 |
3.3%
|
| Sysmiss | 2 |