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. 2013 Dec 31;8(12):e84530. doi: 10.1371/journal.pone.0084530

Table 4. Analysis of variance (ANOVA) of regression coefficients using F-value and p-value.

Source F-value p-value
Model 27.8355 0.0001*
X1 90.38592 <0.0001*
X2 6.693164 0.0361*
X3 62.72153 <0.0001*
X1X2 14.78878 0.0063*
X1X3 4.070043 0.0834
X2X3 23.05659 0.0020*
X12 48.57951 0.0002*
X22 3.91389 0.0884
X32 2.583786 0.1520

Where, Xi, XiXj and Xi2 are the linear and interaction terms of the quadratic polynomial equation, respectively. The significant (p<0.05) terms are labeled with *.