Table 2.

The association between various characteristics and the presence of Brucella infection in the present study

Characteristics	Studied classes	No. of samples (%)	No. of positive for Brucella (%)	P-value
Animal type	Goat	4 (8.0)	2 (50.0)	0.42
	Sheep	46 (92.0)	13 (28.3)
Age (years)	1	2 (4.0)	1 (50.0)	0.67
	2	13 (26.0)	4 (30.8)	Reference
	3	25 (50.0)	7 (28.0)	0.86
	4	8 (16.0)	2 (25.0)	0.81
	5	1 (2.0)	0 (0.0)	0.71
	6	1 (2.0)	1 (100)	0.36
History of abortion	Yes	8 (16.0)	1 (12.5)	0.27
	No	42 (84.0)	14 (33.3)
Parturitions (times)	1	12 (24.0)	1 (8.3)	Reference
	2	29 (58.0)	11 (37.9)	0.08
	3	7 (14.0)	2 (28.6)	0.37
	4	2 (4)	1 (50.0)	0.31