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Table 2 Epidemiological characteristics of BTB related to prevalence at herd level across study areas (n = 106: August 2003 to February 2004)

From: Cattle owners' awareness of bovine tuberculosis in high and low prevalence settings of the wildlife-livestock interface areas in Zambia

Variable Study area Median herd size
(quartile range)
Herds with BTB prevalence
(95% Confidence Interval)
Grazing strategy Village (VRH)
(n = 7)
42 (39,106) 38.7% (0,84.9)
  Transhumant (TH)
(n = 97)
51 (35,89) 51.6% (39.2,64)
  Interface (IFH)
(n = 2)
61 (26,95) -
Overall
Prevalence
Across study areas
(n = 106)
51 (35,89) 49.8% (37.9,61.7)