Table 4: Model estimation.

VariableEstimateStandard error test value

−0.2710.12−2.2640.024
0.0020.1522.0920.036
−0.2010.1921.0470.295
0.3170.001−2.2380.025
0.4140.001−3.777<0.001
0.1480.148−1.0140.303