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Table 2 Summary of the multiple variable mixed model of the presence of PT 21/28 with sampling cluster fitted as the random effect

From: Herd-level risk factors associated with the presence of Phage type 21/28 E. coli O157 on Scottish cattle farms

Variable Coefficient S.E. p-value OR 95%CI
Intercept -5.21 4.44 - - -
Mains water to the farmhouse -8.56 1.25 < 0.0001 0.0002 1.64E-5 : 2.22E-3
Number of positive samples 0.30 0.07 0.0002 1.36 1.19 : 1.56
Y coordinate (1 km) 0.014 0.006 0.026 1.014 1.0027 : 1.026
  1. OR = odds ratio, 95% CI = odds ratio ± 1.96SE. Random effect variance components: sampling cluster = 23.25, residual = 0.11.