| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not chew tobacco, sniff it, or soak the mucous membrane of my cheek with a tobaccosolution during the past 30 days (one month) | 3733 |
98.4%
|
| 2 | Less than once a week. | 18 |
0.5%
|
| 3 | At least once a week but not every day. | 18 |
0.5%
|
| 4 | Every day. | 23 |
0.6%
|
| Sysmiss | 235 |