| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1157 |
63.9%
|
| 2 | I have not stopped smoking | 135 |
7.5%
|
| 3 | 1-3 months | 155 |
8.6%
|
| 4 | 4-11 months | 56 |
3.1%
|
| 5 | One year | 71 |
3.9%
|
| 6 | 2 years | 62 |
3.4%
|
| 7 | 3 years or longer | 176 |
9.7%
|
| Sysmiss | 13 |