Coxiella burnetii Seroprevalence and Risk Factors in Cattle Farmers and Farm Residents in Three Northeastern Provinces and Inner Mongolia Autonomous Region, China

Table 6

Combined multilevel analysis of participant- and farm-based characteristics associated with Coxiella burnetii seropositivity among cattle farmers and farm residents in three northeastern provinces and Inner Mongolia Autonomous Region, China.

Variable	Category	Adjusted odds ratio	95% confidence interval	value
Milking cattle	Yes	2.09	1.33–3.27	0.001
	No	Reference
General healthcare of cattle	Yes	2.25	1.38–3.67	0.001
	No	Reference
Birth assistance	Yes	1.86	1.18–2.92	0.005
	No	Reference
Contact dead-born animals	Yes	2.67	1.69–4.45	<0.001
	No	Reference
Urbanization	Rural area	2.34	1.41–3.45	<0.001
	Moderate or minor urban area	Reference
Presence of mice and/or rats in the stable	Present	1.95	1.38–3.01	0.002
	Absent	Reference
Presence of disinfection equipment	Yes	0.37	0.20–0.49	<0.001
	No	Reference

The variables included were those with a obtained in the bivariate analysis.
Adjusted by age and the rest of characteristics included in this table.