Table 3.

Intrinsic factors associated with seroprevalence of Brucella infection using rose bengal plate test among livestock slaughtered at Oko oba abattoir, Lagos

Variables	No of samples	+ve (%)	OR (CI)	P-value
Species (n = 473)
Cattle	221	38 (17.2)	1
Goat	192	29 (15.1)	0.9 (0.5-1.5)	0.57
Sheep	60	5 (8.3)	0.4 (0.2-1.2)	0.09
Species: Cattle (n= 221)
Sex
Male	67	7(10.5)	2.2 (0.8-5.2)	0.08
Female	154	31(20.1)
Age
Adult	218	37(17.0)	0.4 (0.0-4.6)	0.46
Young	3	1 (33.3)
Body
Good	139	26 (18.7)	1
Fair	69	8 (11.6)	1.8( 0.7-4.1)	0.19
Poor	13	4 (30.8)	0.5 (0.1-1.8)	0.30
Breed
Adamawa Gudali	37	8 (21.6)	1
Ambala	13	2 (15.4)	0.7 (0.1-3.6)	0.63
Bunaji	41	9 (22.0)	1.0 (0.3-2.9)	0.97
Cross breed (cattle)	24	8 (33.3)	1.8 (0.6-5.8)	0.31
Red Bororo	81	9 (11.1)	0.5 (0.2-1.3)	0.13
Sokoto Gudali	25	2 (8.0)	0.3 (0.1-1.6)	0.16
Species: Goat (n = 192)
Sex
Male	176	26(14.8)	1.3 (0.4-5.0)	0.67
Female	16	3 (18.7)
Age
Adult	190	28(14.7)	0.2 (0.0-2.8)	0.17
Young	2	1 (50.0)
Body
Good	190	29 (15.3)	1
Fair	2	0 (0.0)	na	0.55
Poor	0	0	-	-
Breed
Cross breed (Goat)	46	6 (13.0)	1
Red Sokoto	126	21 (16.7)	1.3 (0.5-3.5)	0.56
Sahel	20	2 (10.0)	0.7 (0.1-4.0)	0.73
Species: Sheep (n = 60)
Sex
Male	8	0 (0.0)	na	0.36
Female	52	5(9.6)
Age
Adult	59	5 (8.5)	na	0.76
Young	1	0 (0.0)
Body
Poor	5	0 (0.0)	1
Fair	13	2 (15.4)	na	0.37
Good	42	3 (7.1)	na	0.54
Breed
Uda	45	4 (8.9)	1
Yankasa	13	1 (7.7)	0.9 (0.1-8.4)	0.89
West African dwarf	2	0 (0.0)	0.0 (0.0-1.0)	0.97

NOTES: na = undefined value, +ve = Positive, OR = Odd ratio, CI = Confidence interval