| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 10573 |
75.4%
|
| 2 | Less than once a week. | 856 |
6.1%
|
| 3 | At least once a week but not every day. | 1081 |
7.7%
|
| 4 | Every day. | 1518 |
10.8%
|
| Sysmiss | 84 |