| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not chew betel nut with tobacco during the past 30 days | 2097 |
94.2%
|
| 2 | Less than once a week | 87 |
3.9%
|
| 3 | At least once a week but not every day | 33 |
1.5%
|
| 4 | Every day | 10 |
0.4%
|
| Sysmiss | 30 |