| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during past 30 days | 1443 |
80.1%
|
| 2 | No usual brand | 77 |
4.3%
|
| 3 | Wills | 200 |
11.1%
|
| 4 | Others | 82 |
4.6%
|
| Sysmiss | 33 |