| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1422 |
63.9%
|
| 2 | I have not stopped smoking | 658 |
29.6%
|
| 3 | Less than 4 months | 68 |
3.1%
|
| 4 | 4-11 months | 20 |
0.9%
|
| 5 | One year | 8 |
0.4%
|
| 6 | 2 years | 16 |
0.7%
|
| 7 | 3 years or longer | 33 |
1.5%
|
| Sysmiss | 11 |