| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Yes,___times | 18 |
26.5%
|
| 3 | 3.Only when necessary | 10 |
14.7%
|
| 6 | 6.Never give anti-worm medicine | 40 |
58.8%
|
| Sysmiss | 363 |