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Table 2 Previous history of bTB restrictions in herds restricted during 2014–16 compared to other herds in the North Sligo study area. Herds within the study area were determined based on the District Electoral Division of the herd number

From: The bovine tuberculosis cluster in north County Sligo during 2014–16

Herd bTB status during 2014–16 Herds tested between 2009–13 % of herds with a previous restriction in 2009–13 Herds tested between 2004–08 % of herds with a previous restriction in 2004–08 Herds tested between 1989–2003 % of herds with a previous restriction in 1989–2003
Not restricted 184 15.8 180 6.7 179 26.8
Restricted 65 20.0 65 24.6 62 33.9
P-value   0.433   < 0.001   0.289
  1. P-value is based on a chi-square test of the difference between restricted and non-restricted herds in the percentage of herds with a previous restriction in the relevant time period