| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2887 |
74.5%
|
| 2 | I have not stopped smoking | 461 |
11.9%
|
| 3 | 1-3 months | 266 |
6.9%
|
| 4 | 4-11 months | 91 |
2.3%
|
| 5 | One year | 49 |
1.3%
|
| 6 | 2 years | 36 |
0.9%
|
| 7 | 3 years or longer | 87 |
2.2%
|
| Sysmiss | 208 |