. 2016 Feb 4;2016:7059196. doi: 10.1155/2016/7059196

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^a	Category	Adjusted odds ratio^b	95% confidence interval	P value
Milking cattle	Yes	2.09	1.33–3.27	0.001
Milking cattle	No	Reference	1.33–3.27	0.001

General healthcare of cattle	Yes	2.25	1.38–3.67	0.001
General healthcare of cattle	No	Reference	1.38–3.67	0.001

Birth assistance	Yes	1.86	1.18–2.92	0.005
Birth assistance	No	Reference	1.18–2.92	0.005

Contact dead-born animals	Yes	2.67	1.69–4.45	<0.001
Contact dead-born animals	No	Reference	1.69–4.45	<0.001

Urbanization	Rural area	2.34	1.41–3.45	<0.001
Urbanization	Moderate or minor urban area	Reference	1.41–3.45	<0.001

Presence of mice and/or rats in the stable	Present	1.95	1.38–3.01	0.002
Presence of mice and/or rats in the stable	Absent	Reference	1.38–3.01	0.002

Presence of disinfection equipment	Yes	0.37	0.20–0.49	<0.001
Presence of disinfection equipment	No	Reference	0.20–0.49	<0.001

^aThe variables included were those with a P ≤ 0.20 obtained in the bivariate analysis.

^bAdjusted by age and the rest of characteristics included in this table.