| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 2506 |
76.9%
|
| 2 | Less than once a week. | 244 |
7.5%
|
| 3 | At least once a week but not every day. | 227 |
7%
|
| 4 | Every day. | 281 |
8.6%
|
| Sysmiss | 24 |