模型1

模型2

模型3

B

标准误

t

p

B

标准误

t

p

B

标准误

t

p

const

0

0.034

0

1

0

0.033

0

1

−0.004

0.039

−0.095

0.925

di

0.684

0.042

16.325

0

0.248

0.073

3.398

0.001

0.415

0.093

4.455

0

av-st

0.411

0.09

4.555

0

0.236

0.1

2.354

0.02

di*av-st

0.005

0.029

0.175

0.861

R²

0.6

0.624

0.624

调整R²

0.597

0.62

0.618

F值

F(180, 1) = 266.518, p = 0.000^***

F(2, 177) = 146.93, p = 0.000^***

F(3, 176) = 97.427, p = 0.000^***

△R²

0.6

0.624

0.624

△F

△F(1, 180) = 266.518, p = 0.000^***

△F(1, 177) = 11.549, p = 0.000^***

△F(1, 176) = 146.156, p = 0.000^***

因变量：edc