| Value | Category | Cases | |
|---|---|---|---|
| 1 | I had not used or chewed tobacco. | 5006 |
82.5%
|
| 2 | Not even once in a week. | 416 |
6.9%
|
| 3 | At least once in a week although not daily. | 569 |
9.4%
|
| 4 | Daily | 79 |
1.3%
|
| Sysmiss | 30 |