Table 1.
Item discrimination and difficulty coefficients of factors included in the item response theory model for ASF knowledge
| Item name | Statement proposed to respondent | Discrimination | Difficulty | ||
|---|---|---|---|---|---|
| Coef. | SE | Coef. | SE | ||
| f46 | Footbath at farm is a waste of money | 1.23 | 0.11 | −0.41 | 0.06 |
| f48 | My pigs can get sick when the traders get close to them | 0.89 | 0.09 | −1.34 | 0.13 |
| f50 | Birds or rodents can transmit the disease when they get in contact with the pigs | 0.81 | 0.08 | −0.76 | 0.09 |
| f51 | If I isolate the new pigs coming to my farm, I will stop the disease | 0.76 | 0.09 | −1.74 | 0.18 |
| f53 | If swill is heated before giving to pigs, chance of catching the disease is reduced | 0.73 | 0.08 | −0.49 | 0.09 |
| f54 | Burying dead pigs reduces the disease spread | 0.88 | 0.11 | −2.42 | 0.25 |
| f56 | Undisinfected farm tools can spread the disease | 1.99 | 0.19 | −0.73 | 0.05 |
| f57 | Use of disinfectant is not good for the pigs | 1.81 | 0.17 | −0.38 | 0.05 |