Criterion layer

Weight

Secondary criterion layer

Weight

Site selection (X1)

0.2670

Income level

0.0638

Market demand

0.0464

Local ecological and natural environment

0.1568

Design planning (X2)

0.2595

Completeness of basic supporting facilities

0.1238

Green design of building materials

0.0653

Clean energy use design

0.0704

Construction (X3)

0.2776

Degree of energy saving and consumption reduction

0.0694

Degree of pollution reduction and efficiency enhancement

0.0706

Use of green construction equipment

0.0596

Green management of construction organization

0.078

Operation and maintenance (X4)

0.1959

Green operation management

0.0483

Green elderly service management

0.1476