| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1165 |
74.6%
|
| 2 | I have not stopped smoking | 110 |
7%
|
| 3 | 1-3 months | 134 |
8.6%
|
| 4 | 4-11 months | 37 |
2.4%
|
| 5 | One year | 18 |
1.2%
|
| 6 | 2 years | 19 |
1.2%
|
| 7 | 3 years or longer | 78 |
5%
|
| Sysmiss | 210 |