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Table 4 Model 2‘Physiological status’ as potential risk factor for reacting to tuberculin testing in adult dairy cattle in positive herds with ≥5 tested animals (2,356 observations in 326 herds) in Eritrea-2011, corrected for region. Estimated variance for herd: 1.245 on the logit scale

From: Prevalence and risk factors of bovine tuberculosis in dairy cattle in Eritrea

Physiological status OR 95 % confidence interval
Lower Upper
Bull (reference) 1.00   
Lactating empty 1.55 0.99 2.43
Lactating pregnant 2.24 1.43 3.50
Dry pregnant 2.01 1.19 3.40