| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 874 |
49.2%
|
| 2 | I have not stopped smoking | 356 |
20%
|
| 3 | Less than 1 month | 250 |
14.1%
|
| 4 | 1-3 months | 99 |
5.6%
|
| 5 | 4-11 months | 66 |
3.7%
|
| 6 | One year | 38 |
2.1%
|
| 7 | 2 years | 90 |
5.1%
|
| 8 | 3 years or longer | 4 |
0.2%
|
| Sysmiss | 13 |