TABLE 2.

Rift Valley fever seroprevalence after adjusting with locality, age, breed and sex in multivariate analysis.

Variable	Level	n	% Positive	OR	95% CI*
Locality	Kirehe	73	36.9	1*	-
	Bugesera	101	17.8	0.005	0.00–0.04
	Kamonyi	97	14.4	0.013	0.00–0.11
	Gakenke	91	9.8	0.005	0.00–0.04
	Ngoma	94	22.3	0.034	0.04–0.28
	Nyagatare	139	7.9	0.004	0.05–0.03
Breed	Local	326	14.1	1*	-
	Pure exotic or cross	209	22.9	4.26	1.82–9.99
Age	Young	152	10.5	1*	-
	Adult	402	19.9	1.88	0.98–3.61

Source: Department Biomedical Sciences, Institute of Tropical Medicine, Antwerp, BelgiumYoung, animal’s age < 12 months; adult, animal’s age > 12 months.

n, sample size; OR, odds ratio; CI, confidence Interval.

^*reference level.