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Table 5 Models of multiple logistic regressions

From: Determination of puberty in gilts: contrast of diagnostic methods

Model Variable Coefficient (β) Standard error Wald χ2 P Value Odds ratio 95% CI Variables not in the equation
Lower Upper
I Intercept −8.666 2.365       Body condition, live weight (estimated)
  Vaginal length (cm) 0.22 0.083 7.096 0.008 1.247 1.060 1.466  
  Backfat (mm) 0.511 0.155 10.832 0.001 1.666 1.229 2.258  
II Intercept −5.036 1.525       Body condition, live weight (estimated), vaginal length
  Backfat (mm) 0.338 0.173 3.816 0.051 1.402 0.999 1.968  
  P4 (ng/ml) 1.907 0.955 3.984 0.046 6.731 1.035 43.768  
III Intercept 3.761 1.012       Body condition, live weight (estimated) vaginal length, backfat, P4
  V1 /DELTA −6.204 1.252 24.563  < 0.001 0.002 0.000 0.024  
IV Intercept −7.645 4.243       Body condition, live weight (estimated) backfat, P4
  Vaginal length (cm) 0.544 0.234 5.420 0.020 1.723 1.090 2.725  
  V1/W3 −7.150 2.224 10.334 0.001 0.001 0.000 0.061  
V Intercept −0.341 1.396       Body condition, live weight (estimated), vaginal length, backfat
  P4 (ng/ml) 1.279 1.115 1.314 0.252 3.592 0.403 31.969  
  V2/W3 −2.993 0.991 9.127 0.003 0.050 0.007 0.349  
VI Intercept 3.714 1.012       
  V1/W3 −5.240 1.126 21.653  < 0.001 0.005 0.001 0.048  
VII Intercept 2.225 0.526       
  V2 /W3 −2.972 0.664 20.037  < 0.001 0.051 0.014 0.188