| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1804 |
86.1%
|
| 2 | I have not stopped smoking | 64 |
3.1%
|
| 3 | Less than 4 months | 85 |
4.1%
|
| 4 | 4-11 months | 35 |
1.7%
|
| 5 | One year | 26 |
1.2%
|
| 6 | 2 years | 24 |
1.1%
|
| 7 | 3 years or longer | 57 |
2.7%
|
| Sysmiss | 4 |