| M1 | M2 | M3 | VIF value(M3) |
Constant(β0) | 4.140*** | 5.420*** | 10.664*** |
|
FA(β11) | 0.819*** | 0.468*** | 0.480** |
|
ALR(β12) | −1.144* | −1.084** | −1.206** |
|
RGR(β13) | 0.003 | −0.004 |
|
|
IND(β14) | −1.402*** | −1.270*** | −1.058*** |
|
RDS(β21) |
| 0.334(0.110)*** | 0.042(0.172) | 6.407 |
KS(β22) |
| 0.176(0.089)** | 0.255(0.121)** | 5.172 |
ED(β23) |
| 0.069(0.043) | 0.166(0.057)*** | 2.224 |
EIR(β24) |
| −0.021(0.064) | −0.015(0.018) | 1.074 |
EIR*RDS(β31) |
|
| −0.047(0.018)*** | 5.522 |
EIR*KS(β32) |
|
| 0.023(0.013)* | 3.832 |
EIR*ED(β33) |
|
| 0.023(0.009)** | 2.203 |
R2 | 0.492 | 0.612 | 0.659 |
|
Adj-R2 | 0.475 | 0.586 | 0.629 |
|
F-value | 29.783*** | 23.468*** | 21.495*** |
|
R2 increment |
| 0.12 | 0.047 |
|