| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3482 |
74.4%
|
| 2 | Less than once a week. | 348 |
7.4%
|
| 3 | At least once a week but not every day. | 349 |
7.5%
|
| 4 | Every day. | 503 |
10.7%
|
| Sysmiss | 45 |