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 3
Performance Evaluation of the Case Study using VIKOR.
Dimensions/ Criteria
Influential Weights (IWs)
Old Nanhaixian Community
Sanfu Community
Panqiu Community
Performance f1j
Gap Ratio
Performance f2j
Gap Ratio
Performance f3j
Gap Ratio
Outdoor Activities(D1)
0.337
3.287
0.343
2.703
0.460
3.161
0.368
Friendly slow walking (C1)
0.134
4.136
0.173
2.700
0.460
3.350
0.330
Public transport connectivity and accessibility (C2)
0.097
3.818
0.236
3.350
0.330
3.600
0.280
Readable guidance systems and hazard indicators (C3)
0.097
3.591
0.282
2.900
0.420
3.250
0.350
Suitable lighting (C4)
0.089
3.364
0.327
2.850
0.430
3.150
0.370
Adequate seating (C5)
0.171
3.091
0.382
2.700
0.460
3.350
0.330
Convenient infrastructure (C6)
0.118
2.818
0.436
2.350
0.530
2.750
0.450
Sports entertainment facilities (C7)
0.126
2.909
0.418
2.700
0.460
3.200
0.360
Separation of rainwater and sewage (C8)
0.104
2.909
0.418
2.500
0.500
2.850
0.430
Outdoor ventilator/air cleaning device (C9)
0.063
2.864
0.427
2.200
0.560
2.650
0.470
Touch Nature(D2)
0.326
3.002
0.400
2.323
0.535
2.199
0.560
Natural water characteristics (C10)
0.171
2.227
0.555
1.800
0.640
1.750
0.650
High quality plants (C11)
0.165
2.864
0.427
2.100
0.580
2.200
0.560
Interactive Leisure Landscape (C12)
0.182
2.636
0.473
2.250
0.550
2.250
0.550
Suitable Soundscape (C13)
0.157
3.046
0.391
2.400
0.520
2.400
0.520
Beautiful outdoor landscape (C15)
0.153
3.546
0.291
2.400
0.520
2.600
0.480
No noise pollution (C16)
0.171
3.773
0.246
3.000
0.400
2.050
0.590
Social interaction(D3)
0.337
3.570
0.286
2.765
0.447
3.262
0.348
Security management (C17)
0.180
4.091
0.182
3.150
0.370
3.550
0.290
Gathering social square (C18)
0.174
3.227
0.355
2.850
0.430
3.400
0.320
Total Performance
3.289
2.600
2.881
Total Gap
0.342
0.480
0.424
Note: gap ratio , where denotes criterion of alternative, i.e., and .