. Author manuscript; available in PMC: 2013 Dec 12.

Published in final edited form as: J Vet Sci Med Diagn. 2013 Mar 22;2(1):10.4172/2325-9590.1000109. doi: 10.4172/2325-9590.1000109

Table 3. Associations with risk factors for C. burnetii seropositivity.

Risk factors		Number test negative	Number test positive (%)	Univariable OR (95% CI)
Species	Cattle	123	57 (31.6)	1
	Camel	9	81 (90.0)	19.0(8.9-41.2)
	Goat	44	54 (54.2)	2.7(1.7-4.2)^***
Age class	1^a	43	17 (30.8)	1
	2^b	77	77 (49.6)	2.2 (1.3-3.9)^**
	3^c	56	98 (62.7)	3.6(2.0-6.6)^***
Sex	Female	140	170 (55.1)	1
	Male	36	22 (39.5)	0.6(0.4-1.1)

^**

p<0.01;

^***

p<0.001

Age categories, for cattle and goats <= 1 years, and camels <= 2 years,

for cattle and goats 1- <= 3 years, and for camels 2- <= 4 years,

for cattle and goats>3 years, and for camels>4 years.