Target layer

Criteria layer

Number

Index layer

References

Greening degree on endowment community

Site

selection

(X1)

Income level

X11

Per capita disposable income

Arteaga et al., 2015; Buffel, 2018; Worrell et al., 2013; Yuen and Vogtle, 2016

Market demand

X12

Proportion of the elderly

Local ecological and natural environment

X13

Days above level 2

X14

Per capita public green area

Design

planning

(X2)

Completeness of basic supporting facilities

X21

Proportion of intelligent aging facilities

Rapaport et al., 2018; Chen et al., 2016; Jerome et al., 2017; Abdelwahab et al., 2018

X22

Proportion of green infrastructure

Green design of building materials

X23

Proportion of 3R materials use

Clean energy use design

X24

Utilization rate of green energy

Construction

(X3)

Degree of energy saving and consumption reduction

X31

Construction energy saving

Laun et al., 2019; Aw et al., 2017; Heatwole Shank and Cutchin, 2016; Abdelwahab et al., 2018

Degree of pollution reduction and efficiency enhancement

X32

Construction waste recycling rate

Use of green construction equipment

X33

Utilization rate of energy-saving appliances

Green management of construction organization

X34

Perfection of green management in construction organization

Operation

and

maintenance

(X4)

Green operation management

X41

Compliance rate of municipal solid waste treatment

Ostrom, 2000; Jerome et al., 2017; Tran and Nguyen, 2017

Green elderly service management

X42

Number of service personnel per household

X43

Medical investments per capita