| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1946 |
93.4%
|
| 2 | I did not smoke during the past 12 months | 78 |
3.7%
|
| 3 | Yes | 30 |
1.4%
|
| 4 | No | 29 |
1.4%
|