| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Yes,___times | 4 |
21.1%
|
| 3 | 3.Only when necessary | 1 |
5.3%
|
| 6 | 6.Never give anti-worm medicine | 14 |
73.7%
|
| Sysmiss | 412 |