| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 371 |
50.5%
|
| 2 | I have not stopped smoking | 60 |
8.2%
|
| 3 | 1-3 months | 118 |
16.1%
|
| 4 | 4-11 months | 29 |
4%
|
| 5 | One year | 39 |
5.3%
|
| 6 | 2 years | 19 |
2.6%
|
| 7 | 3 years or longer | 98 |
13.4%
|