| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Yes,___times | 160 |
37.6%
|
| 3 | 3.Only when necessary | 38 |
8.9%
|
| 6 | 6.Never give anti-worm medicine | 220 |
51.8%
|
| 9 | 7 |
1.6%
|
|
| Sysmiss | 6 |