BioMed Research International / 2015 / Article / Tab 4

Research Article

Mycobacterium avium Subspecies paratuberculosis and Bovine Leukemia Virus Seroprevalence and Associated Risk Factors in Commercial Dairy and Beef Cattle in Northern and Northeastern China

Table 4

Multivariate risk factors analysis associated with herd-level prevalence of Mycobacterium avium subspecies paratuberculosis (MAP) and bovine leukemia virus (BLV) in commercial dairy and beef farms in northern and northeastern China.

AgentsVariablesAdjusted odds ratio95% confidence interval value

MAPHerd size
 Small (50–100) Reference
 Medium (100–150)0.8580.292–2.522 0.780
 Large (>150)4.1811.206–14.4900.019

BLVHerd size
 Small (50–100) Reference
 Medium (100–150)0.8250.263–2.584 0.741
 Large (>150)6.2861.777–22.240 0.002
Presence of cattle introduced from other farms
 NoReference
 Yes2.7401.070–7.0160.041

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