Table 2:

Multivariable polynomial regression and ANOVA.
Term Coefficient p-value
Linear factors Intercept c0 = 19.13 0.2063
X1 c1 = 0.71 0.6844
X2 c2 = -1.70 0.3147
X3 c3 = -19.27 0.2600
Interactive factors X1X2 c12 = -0.08 0.3415
X1X3 c13 = 0.04 0.9598
X2X3 c23 = -0.45 0.4987
Quadratic factors X12 c11 = -0.04 0.7199
X22 c22 = 0.13 0.0924
X32 c33 = 11.33 0.1388