| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 37 |
29.4%
|
| 2 | I have not stopped smoking | 17 |
13.5%
|
| 3 | 1-3 months | 18 |
14.3%
|
| 4 | 4-11 months | 14 |
11.1%
|
| 5 | One year | 10 |
7.9%
|
| 6 | 2 years | 7 |
5.6%
|
| 7 | 3 years or longer | 23 |
18.3%
|
| Sysmiss | 4 |