| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3392 |
75.6%
|
| 2 | Less than once a week. | 308 |
6.9%
|
| 3 | At least once a week but not every day. | 391 |
8.7%
|
| 4 | Every day. | 397 |
8.8%
|
| Sysmiss | 16 |