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Table 4 Regression coefficients using bootstrap re-sampling technique for camel herd seropositivity and within herd seropositivity of cattle, sheep and goats (all herds) and only for herds in a province without vaccination (no vaccination), a significant negative correlation

From: Risk factors of brucellosis seropositivity in Bactrian camels of Mongolia

  N herds Intercept (95% confidence interval [CI]) Slope (95% CI)
Ruminants All herds 348 0.02 (−0.01–0.03) 0.06 (−0.07–0.21)
No vaccination 137 0.03 (0.01–0.05) 0.08 (−0.14–0.5)
Cattle All herds 292 0.03 (0.01–0.04) 0.06 (−0.02–0.2)
No vaccination 103 0.04 (0.01–0.06) 0.06 (−0.06–0.3)
Sheep All herds 333 0.03 (0.02–0.04) 0.03 (− 0.04–0.1)
No vaccination 127 0.03 (0.01–0.05) 0.1 (− 0.2–0.7)
Goats All herds 341 0.03 (0.02–0.04) −0.003 (− 0.07–0.1)
No vaccination 133 0.03 (0.01–0.05) −0.1 (− 0.27 - -0.04)a