Table 2. Parameter estimates of the fixed effectexplanatory variables in the final model for both the count model (negative binomial) and ordinal model.

Variable	IRR	95% CI Lower	95% CI Upper	OR	95% CI Lower	95% CI Upper
log(herd_size)	1.05	1.04	1.06	1.26	1.20	1.32
log(outbreak_reactors)	1.05	1.04	1.06	1.34	1.26	1.43
log(mean_patch_prev)	1.04	1.01	1.07	1.20	1.04	1.37
log(MLVA_Richness)	1.62	1.58	1.67	7.06	6.04	8.24
LRS_binary1	1.12	1.09	1.14	1.79	1.59	2.01
associated_herds_binary1	1.10	1.07	1.13	1.49	1.32	1.69
previous_breakdown	1.04	1.02	1.07	–	–	–