| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1966 |
52.8%
|
| 2 | I have not stopped smoking | 450 |
12.1%
|
| 3 | 1-3 months | 236 |
6.3%
|
| 4 | 4-11 months | 274 |
7.4%
|
| 5 | One year | 209 |
5.6%
|
| 6 | 2 years | 178 |
4.8%
|
| 7 | 3 years or longer | 184 |
4.9%
|
| 8 | 225 |
6%
|
|
| Sysmiss | 7 |