Exploring Strategies for Improving Green Open Spaces in Old Downtown Residential Communities from the Perspective of Public Health to Enhance the Health and Well-Being of the Aged

Table 2

Fuzzy Delphi statistical analysis results.

Criteria	Conservative Value Ci		Optimistic Value Oi		Single Value Ai		Geometric Mean M			Verification values	Consensus values
	Min	Max	Min	Max	Min	Max	Ci	Oi	Ai	Mi—Zi	Gi
Friendly slow walking (C1)	5	8.5	8	10	6.5	9	6.621	8.811	7.586	1.690	8.151
Public transport connectivity and accessibility (C2)	6	8.2	8	10	7	9	6.891	9.005	7.869	1.914	8.087
Readable guidance systems and hazard indicators (C3)	4	8	6	9	5	8	5.525	7.813	6.609	0.288	6.846
Suitable lighting (C4)	5	9	7.5	10	6	9	6.357	8.644	7.449	0.787	7.953
Adequate seating (C5)	5	9	7	10	6	10	6.447	8.528	7.335	0.081	7.749
Convenient infrastructure (C6)	5	8	7	10	6	9	6.149	8.594	7.148	1.445	7.463
Sports entertainment facilities (C7)	5	9	7	10	6	9	6.578	8.655	7.643	0.077	7.812
Separation of rainwater and sewage (C8)	6	8	7	10	6	10	6.835	8.806	7.696	0.971	7.608
Outdoor ventilator/air cleaning device (C9)	5.3	8	7	10	6	9	6.425	8.566	7.469	1.141	7.499
Natural water characteristics (C10)	5.5	8	7.5	10	6	9	6.978	9.277	8.091	1.799	7.817
High-quality plants (C11)	6	8	8	10	7	9	6.915	9.366	8.097	2.452	8.000
Interactive leisure landscape (C12)	5	7.5	7	10	6	9	6.652	8.950	7.796	1.797	7.348
Suitable soundscape (C13)	5	7	6	10	6	9	5.996	8.050	7.062	1.054	7.344
Access to fruits and vegetables (C14)	4	7	6	10	5	9	5.643	7.803	6.697	1.160	6.571
Beautiful outdoor landscape (C15)	5	8.6	8	10	7	9	7.011	9.364	8.094	1.753	8.277
No noise pollution (C16)	5	9	8	10	6	9	6.556	8.895	7.551	1.339	8.268
Security management (C17)	6	9	8	10	7	9	7.026	9.382	7.975	1.356	8.412
Gathering social square (C18)	4	8	7	9.6	5	8	5.611	7.769	6.517	1.158	7.243
Open multifunctional spaces (C19)	6	9	8	10	7	9	6.826	9.004	7.859	1.178	8.316
Optimization of children’s playground (C20)	5	8	7	10	6	9	5.822	7.844	6.767	1.021	7.279
Pet activity space (C21)	5	7	6	10	5	8	5.595	7.613	6.621	1.019	6.534
Preservation of community culture (C22)	5	9	7	10	6	9	6.954	8.981	7.884	0.026	7.984
Public health service station (C23)	6	9	8.7	10	7	9	7.373	9.638	8.308	1.965	8.810
Number of evaluation elements selected				21						Threshold value	6.667