2.3.1.3.1 Goodness of fit
The logistic regression part was assessed by the Hosmer and Lemesbow goodness of fit test. P-value for PCV2 was 0.9676 and 0.7492 for PRRSV (significance level 0.05) (Hosmer & Lemesbow, 1980).
The linear regression part was assessed by the Pearson’s Chi-squared test. The reported p-values were 0.3394 for PCV2 and 0.331 for PRRSV (significance level 0.05) (Pearson, 1900).