| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 5895 |
77.3%
|
| 2 | Less than once a week. | 639 |
8.4%
|
| 3 | At least once a week but not every day. | 567 |
7.4%
|
| 4 | Every day. | 522 |
6.8%
|
| Sysmiss | 104 |