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Table 4 Analysis of variance for the binomial logistic regression of pregnancy outcome (Preg, NotPreg)

From: Evaluation of age, weaning weight, body condition score, and reproductive tract score in pre-selected beef heifers relative to reproductive potential

Variable LR χ2 Df Pr(>χ2)
Station 7.3549 2 0.0253
AI year 23.7948 5 0.0002
Age at AI 0.0241 1 0.8766
Age at weaning 0.0366 1 0.8483
Dam age 1.4052 1 0.2359
BCS 1.3972 3 0.7062
RTS 0.8231 2 0.6626
Weaning weight 0.1682 1 0.6817
  1. LR Likelihood ratio, Df degrees of freedom, Pr probability