| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not chew betel nut during the past 30 days | 1124 |
76.1%
|
| 2 | 1 or 2 days | 130 |
8.8%
|
| 3 | 3 to 5 days | 59 |
4%
|
| 4 | 6 to 9 days | 35 |
2.4%
|
| 5 | 10 to 19 days | 18 |
1.2%
|
| 6 | 20 to 29 days | 19 |
1.3%
|
| 7 | all 30 days | 92 |
6.2%
|
| Sysmiss | 7 |