Table 2.

Bivariate analysis of factors associated with human brucellosis in the rural population in Nagpur district of Maharashtra state, India [n=382]

Variables	Seropositive n [%]	Seronegative n [%]	OR [95% CI]	P
Work exposure
Handling aborted fetus	0 (0)	27 (27.2)	1.02 (1.11-1.01)	0.46
Slaughtering animal#	7 (100)	15 (4)	1.01 (1.00-1.03)	0.59
Milking animal	7 (100)	54 (14.4)	0.88 (0.80-0.96)	<0.001
Handled raw meat	6 (85.7)	1 (14.3)	3.14 (0.40-28.65)	0.23
Assisted animal delivery$	7 (100)	148 (39.5)	0.95 (0.92-9.8)	0.001
Being male worker [gender]	6 (85.7)	394 (78.4)	1.65 (0.19-13.92)	0.64
Food exposure
Eating raw meat	4 (57.1)	347 (92.5)	0.10 (0.23-0.50)	0.001
Drinking unpasteurised milk©	7 (100)	75 (20)	0.91 (0.85-0.97)	<0.001
Drinking milk products made from raw milk	3 (42.9)	356 (94.9)	0.40 (0.00-20)	<0.001

^#Odd ratio for cohort brucellosis IgG test negative because 100% of cases reported seropositive for those exposure factors. ^$Odd ratio for cohort brucellosis IgG test negative because 100% of cases reported seropositive for those exposure factors. ^©Odd ratio for cohort brucellosis IgG test negative because 100% of cases reported seropositive for those exposure factors