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 |