| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1172 |
70.2%
|
| 2 | I have not stopped smoking | 119 |
7.1%
|
| 3 | 1-3 months | 135 |
8.1%
|
| 4 | 4-11 months | 69 |
4.1%
|
| 5 | One year | 56 |
3.4%
|
| 6 | 2 years | 45 |
2.7%
|
| 7 | 3 years or longer | 73 |
4.4%
|
| Sysmiss | 3 |