Table 5. Coefficient estimates and related statistics in the final model

Model terms Coefficient estimate Standard error t-value p-value
Intercept b0 = 9.2985270 0.0492900 188.65 < .0001
X1 b1 = 0.0571540 0.0185268 3.08 0.0095
X2 b2 = 0.1615755 0.0185268 8.72 < .0001
X3 b3 = −0.0249857 0.0185268 −1.35 0.2024
X4 b4 = 0.0745395 0.0185268 4.02 0.0017
X5 b5 = −0.0389546 0.0185268 −2.10 0.0573
X12 b11 = −0.0087420 0.0171463 −0.51 0.6194
X22 b22 = −0.0400034 0.0171463 −2.33 0.0379
X32 b33 = −0.0114216 0.0171463 −0.67 0.5179
X42 b44 = 0.0439558 0.0171463 2.56 0.0248
X52 b55 = −0.0078488 0.0171463 −0.46 0.6553
X1 × X2 b12 = −0.0203125 0.0215252 −0.94 0.3640
X1 × X3 b13= −0.0734375 0.0215252 −3.41 0.0052
X1 × X4 b14 = −0.0859375 0.0215252 −3.99 0.0018
X1 × X5 b15 = −0.0246875 0.0215252 −1.15 0.2738
X2 × X3 b23 = −0.0653125 0.0215252 −3.03 0.0104
X2 × X4 b24 = −0.0215625 0.0215252 −1.00 0.3362
X2 × X5 b25 = −0.0815625 0.0215252 −3.79 0.0026
X3 × X4 b34 = −0.0571875 0.0215252 −2.66 0.0209
X3 × X5 b35 = −0.0221875 0.0215252 −1.03 0.3230
X4 × X5 b45 = 0.0003125 0.0215252 0.01 0.9887
X1 × X2 × X3 b123 = 0.0690625 0.0215252 3.21 0.0075
X1 × X2 × X4 b124 = −0.0234375 0.0215252 −1.09 0.2976
X1 × X3 × X4 b134 = 0.1021875 0.0215252 4.75 0.0005
X2 × X3 × X4 b234 = 0.0478125 0.0215252 2.22 0.0463
X1 × X2 × X5 b125 = 0.0103125 0.0215252 0.48 0.6405
X1 × X3 × X5 b135 = 0.0559375 0.0215252 2.60 0.0233
X2 × X3 × X5 b235 = 0.1403125 0.0215252 6.52 <.0001
X1 × X4 × X5 b145 = 0.0321875 0.0215252 1.50 0.1607
X2 × X4 × X5 b245 = 0.0478125 0.0215252 2.22 0.0463
X3 × X4 × X5 b345 = 0.0284375 0.0215252 1.32 0.2111
X1 × X2 × X3 × X4 b1234 = −0.0003125 0.0215252 −0.01 0.9887
X1 × X2 × X3 × X5 b1235 = −0.0440625 0.0215252 −2.05 0.0632
X1 × X2 × X4 × X5 b1245 = 0.0646875 0.0215252 3.01 0.0110
X1 × X3 × X4 × X5 b1345 = −0.0984375 0.0215252 −4.57 0.0006
X2 × X3 × X4 × X5 b2345 = −0.0640625 0.0215252 −2.98 0.0116