| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 911 |
65.4%
|
| 2 | I have not stopped smoking | 121 |
8.7%
|
| 3 | 1-3 months | 127 |
9.1%
|
| 4 | 4-11 months | 72 |
5.2%
|
| 5 | One year | 60 |
4.3%
|
| 6 | 2 years | 39 |
2.8%
|
| 7 | 3 years or longer | 62 |
4.5%
|
| Sysmiss | 23 |