| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 641 |
63.5%
|
| 2 | I have not stopped smoking | 54 |
5.3%
|
| 3 | 1-3 months | 103 |
10.2%
|
| 4 | 4-11 months | 43 |
4.3%
|
| 5 | One year | 74 |
7.3%
|
| 6 | 2 years | 32 |
3.2%
|
| 7 | 3 years or longer | 63 |
6.2%
|
| Sysmiss | 38 |