| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have not stopped smoking | 501 |
42.7%
|
| 2 | One week | 160 |
13.6%
|
| 3 | One month | 96 |
8.2%
|
| 4 | Three months | 57 |
4.9%
|
| 5 | Six months | 54 |
4.6%
|
| 6 | One year | 306 |
26.1%
|
| Sysmiss | 140 |