Table 2.

Results for the three variables associated with the presence of antibodies against bovine viral diarrhea virus (BVDV) using different statistical methods.

Variable	Point (CI: 95%) and range by method
	Logistic	Poisson	Robust Poisson	Log-binomialb	Bayesian log-binomial (MCMC)a	Δlgt%c	Δpoi%d	Δbln%e
Routine use of rectal examination	4.35 (2.52; 7.49) 4.97	2.82 (1.81; 4.39) 2.58	2.82 (1.96; 4.06) 2.09	2.56 (1.78; 3.67) 1.88	2.47 (1.78; 3.72) 1.94	69.91	10.15	−3.51
Direct contact over the fences	2.04 (1.22; 3.41) 2.19	1.64 (1.06; 2.54) 1.47	1.64 (1.13; 2.39) 1.26	1.62 (1.12; 2.34) 1.22	1.51 (1.14; 2.41) 1.27	25.93	1.23	−6.80
Farms that do not use artificial insemination (AI)	3.01 (1.60; 5.66) 4.06	2.07 (1.28; 3.34) 2.06	2.07 (1.41; 3.03) 1.62	1.78 (1.27; 2.49) 1.21	1.68 (1.21; 2.38) 1.17	69.10	16.30	−5.61

^aCredibility interval: 95%.

^bReference model.

^cRelative difference in point estimates between the logistic and reference model.

^dRelative difference in point estimates between the Poisson, robust Poisson, and Reference Model.

^eRelative difference in point estimates between the Bayesian log-binomial, and reference model.