| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have not stopped smoking | 269 |
23.1%
|
| 2 | One week | 238 |
20.4%
|
| 3 | One month | 132 |
11.3%
|
| 4 | Three months | 78 |
6.7%
|
| 5 | Six months | 68 |
5.8%
|
| 6 | One year | 380 |
32.6%
|
| Sysmiss | 1637 |