| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1050 |
56.5%
|
| 2 | I have not stopped smoking | 237 |
12.8%
|
| 3 | 1-3 months | 238 |
12.8%
|
| 4 | 4-11 months | 97 |
5.2%
|
| 5 | One year | 103 |
5.5%
|
| 6 | 2 years | 66 |
3.6%
|
| 7 | 3 years or longer | 67 |
3.6%
|
| Sysmiss | 68 |