Table 4. Risk factor associated with EITB-positive pigs in a Peruvian Highland (Quilcas District).

Variables		Odds ratio	95% CI
Sex	Female	Ref	–
	Male	1.0	0.7–1.6
Age in categories	≤8 months	Ref	–
	>8 months	2.5	1.7–3.7*
Villages	Centro	Ref	–
	27 Mayo	2.9	1.1–7.5*
	Canchayllo	1.2	0.4–3.4
	Casacancha	3.8	1.4–10.0*
	Colpar	15.5	2.9–83.1*
	Llacta	2.6	0.9–6.9
	Pampas	3.5	1.3–9.2*
	Progreso	2.7	0.9–7.4
	Rangra	3.8	1.2–12.3*
	Santa Cruz	1.2	0.5–3.2

^*95% CIs indicating significant difference.