| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1715 |
78%
|
| 2 | I have not stopped smoking | 122 |
5.5%
|
| 3 | 1-3 months | 111 |
5%
|
| 4 | 4-11 months | 50 |
2.3%
|
| 5 | One year | 57 |
2.6%
|
| 6 | 2 years | 31 |
1.4%
|
| 7 | 3 years or longer | 114 |
5.2%
|
| Sysmiss | 7 |