| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1690 |
44.7%
|
| 2 | I have not stopped smoking | 833 |
22%
|
| 3 | Less than 1 month | 211 |
5.6%
|
| 4 | 1-3 months | 184 |
4.9%
|
| 5 | 4-11 months | 207 |
5.5%
|
| 6 | One year | 201 |
5.3%
|
| 7 | 2 years | 167 |
4.4%
|
| 8 | 3 years or longer | 285 |
7.5%
|
| Sysmiss | 57 |