| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 140 |
83.8%
|
| 2 | I have not stopped smoking | 6 |
3.6%
|
| 3 | 1-3 months | 1 |
0.6%
|
| 4 | 4-11 months | 0 |
0%
|
| 5 | One year | 1 |
0.6%
|
| 6 | 2 years | 4 |
2.4%
|
| 7 | 3 years or longer | 15 |
9%
|