| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days | 2871 |
92.5%
|
| 2 | only yellow tobacco | 70 |
2.3%
|
| 3 | only black tobacco | 32 |
1%
|
| 4 | No usual type | 131 |
4.2%
|
| Sysmiss | 82 |