Table 14: Coefficientsa.

ModelUnstandardized coefficientsStandardized coefficients
Std. errorBetat Sig.

1 (Constant)−791.012179.647−4.4030.012
 MDD (Kg/m3)0.4910.0980.9295.0190.007

2 (Constant)−547.71354.963−9.9650.002
 MDD (Kg/m3)0.3810.0280.72213.4510.001
 GI −9.1041.172−0.417−7.7660.004

aDependent variable: (kPa).