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

Table 5.

Multivariate logistic regression analysis of farm-based characteristics associated with Coxiella burnetii positivity 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
Urbanization	Rural area	3.66	2.25–5.96	<0.001
Urbanization	Moderate or minor urban area	Reference	2.25–5.96	<0.001

Laying hens on farm	Yes	2.04	1.25–3.32	0.004
Laying hens on farm	No	Reference	1.25–3.32	0.004

Use of silage	Yes	1.99	1.15–3.44	0.013
Use of silage	No	Reference	1.15–3.44	0.013

Presence of mice and/or rats in the stable	Present	2.49	1.58–3.91	<0.001
Presence of mice and/or rats in the stable	Absent	Reference	1.58–3.91	<0.001

Presence of disinfection equipment	Yes	0.58	0.37–0.90	0.015
Presence of disinfection equipment	No	Reference	0.37–0.90	0.015

^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.