| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2361 |
54.6%
|
| 2 | I have not stopped smoking | 537 |
12.4%
|
| 3 | 1-3 months | 579 |
13.4%
|
| 4 | 4-11 months | 219 |
5.1%
|
| 5 | One year | 227 |
5.2%
|
| 6 | 2 years | 151 |
3.5%
|
| 7 | 3 years or longer | 251 |
5.8%
|
| Sysmiss | 36 |