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Table 4 Parameter estimates, confidence intervals and hypothesis tests of results in generalized estimating equations (GEE)

From: Embryonic oxygen enhances learning ability in hatchling lizards

  Estimate SE 95% CI Hypothesis test
   Lower Upper Wald χ2 df P
Escape        
Intercept 1.247 0.530 0.209 2.285 5.543 1 0.019
Oxygen concentrations        
Hypoxic (12% O2) -0.960 0.340 -1.625 -0.295 7.995 1 0.005
Normoxic (21% O2) 0.053 0.377 -0.686 0.793 0.020 1 0.888
Hyperoxic (30% O2) 0a       
Sex -0.165 0.284 -0.721 0.392 0.337 1 0.562
Test timing        
Test-1 0.153 0.506 -0.839 1.145 0.091 1 0.763
Test-2 -0.282 0.566 -1.391 0.827 0.249 1 0.618
Test-3 -0.415 0.459 -1.315 0.485 0.818 1 0.366
Test-4 0.000 0.555 -1.087 1.087 0.000 1 1.000
Test-5 0.317 0.591 -0.842 1.475 0.287 1 0.592
Test-6 -0.919 0.465 -1.829 -0.008 3.910 1 0.048
Test-7 -0.415 0.499 -1.393 0.563 0.693 1 0.405
Test-8 0.000 0.555 -1.087 1.087 0.000 1 1.000
Test-9 -0.415 0.456 -1.309 0.478 0.829 1 0.362
Test-10 -1.166 0.562 -2.267 -0.065 4.309 1 0.038
Test-11 0.000 0.419 -0.822 0.822 0.000 1 1.000
Test-12 0.153 0.457 -0.742 1.048 0.112 1 0.738
Test-13 0.000 0.514 -1.007 1.007 0.000 1 1.000
Test-14 -0.795 0.408 -1.596 0.005 3.789 1 0.052
Test-15 -0.919 0.469 -1.838 0.001 3.833 1 0.050
Test-16 0a       
Number of errors        
Intercept -0.094 0.051 -0.195 0.007 3.336 1 0.068
Oxygen concentrations        
Hypoxic (12% O2) 0.249 0.075 0.102 0.396 10.980 1 0.001
Normoxic (21% O2) 0.050 0.060 -0.068 0.168 0.687 1 0.407
Hyperoxic (30% O2) 0a       
Sex -0.052 0.076 -0.201 0.098 0.456 1 0.499
Test timing        
Test-1 -0.090 0.080 -0.246 0.067 1.257 1 0.262
Test-2 0.097 0.084 -0.069 0.262 1.318 1 0.251
Test-3 0.155 0.121 -0.082 0.391 1.648 1 0.199
Test-4 0.374 0.138 0.104 0.645 7.379 1 0.007
Test-5 0.475 0.233 0.017 0.932 4.141 1 0.042
Test-6 0.326 0.143 0.046 0.605 5.224 1 0.022
Test-7 0.291 0.126 0.044 0.537 5.339 1 0.021
Test-8 -0.056 0.083 -0.218 0.106 0.457 1 0.499
Test-9 0.229 0.172 -0.107 0.566 1.781 1 0.182
Test-10 0.102 0.055 -0.005 0.210 3.494 1 0.062
Test-11 0.017 0.055 -0.091 0.124 0.091 1 0.762
Test-12 0.269 0.184 -0.091 0.629 2.141 1 0.143
Test-13 0.174 0.208 -0.234 0.581 0.699 1 0.403
Test-14 0.169 0.145 -0.116 0.453 1.351 1 0.245
Test-15 0.158 0.204 -0.241 0.558 0.602 1 0.438
Test-16 0a       
  1. aparameter estimates are redundant; CI, confidence interval.
  2. Statistically significant results are shown in bold.