(东部地区)

(中部地区)

(西部地区)

Income

Income

Income

index

0.610^***

0.827^***

1.364^***

(0.084)

(0.196)

(0.293)

RiskRatio

2.216^***

1.624^***

1.875^***

(0.119)

(0.151)

(0.187)

control

Yes

Yes

Yes

_cons

−5.029^***

−3.811^***

−7.718^***

(0.408)

(0.742)

(0.990)

N

9879

6463

6110

r²

0.193

0.102

0.177

r²_a

0.192

0.100

0.175