| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 25 |
65.8%
|
| 2 | I did not smoke during the past year | 7 |
18.4%
|
| 3 | Yes | 5 |
13.2%
|
| 4 | No | 1 |
2.6%
|