| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3992 |
85.8%
|
| 2 | Less than once a week. | 368 |
7.9%
|
| 3 | At least once a week but not every day. | 227 |
4.9%
|
| 4 | Every day. | 63 |
1.4%
|
| Sysmiss | 32 |