| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2712 |
78.6%
|
| 2 | I have not stopped smoking | 252 |
7.3%
|
| 3 | Less than 1 month ago | 123 |
3.6%
|
| 4 | 1 - 3 months ago | 99 |
2.9%
|
| 5 | 4 - 11 months ago | 88 |
2.6%
|
| 6 | One year ago | 81 |
2.3%
|
| 7 | Two years ago | 42 |
1.2%
|
| 8 | Three years ago or more | 52 |
1.5%
|
| Sysmiss | 1 |