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Table 5 Kendall’s τ-b correlation coefficients for environmental parameters with welfare measures

From: Validation of a simple binary scoring system for assessment of welfare measures of 10-day-old commercial broilers and their correlation with environmental parameters

Kendall’s τ-b Lameness 0 Lameness score 1 Hock score 0 Hock score 1 Footpad score 0 Footpad score 1
Air temperature −0.572 0.572 0.216 −0.216 0.197 −0.197
Air speed 0.234 −0.234 −0.118 0.118 −0.500 0.500
Relative humidity −0.756* 0.756* 0.457 −0.457 −0.121 0.121
Light intensity −0.040 0.040 0.000 0.000 −0.839** 0.839**
CO2 0.000 0.000 −0.044 0.044 −0.093 0.093
NH3 −0.258 0.258 0.098 −0.098 −0.173 0.173
TAB 0.447 −0.447 0.028 −0.028 −0.030 0.030
TC 0.522 −0.522 −0.085 0.085 −0.030 0.030
TE 0.462 −0.462 −0.349 0.349 0.325 −0.325
  1. *P < 0.5 (2-tailed); **P < 0.01 (2-tailed).