Table 3 Results of the optimal senior center location problem.
From: Facility location problem for senior centers in an upcoming super-aging society
Number of centers | Distance | |||
|---|---|---|---|---|
Number of additional centers | Number of total centers | Total distance (1000 km) | Average distance per person (km) | Accessibility improvement per additional centers (m) |
0 (existing) | 170 | 1229.7 | 0.84 | 0 |
5 | 175 | 1158.4 | 0.79 | 9.8 |
10 | 180 | 1120.1 | 0.77 | 7.5 |
15 | 185 | 1087.1 | 0.74 | 6.4 |
20 | 190 | 1055.4 | 0.72 | 6.0 |
25 | 195 | 1028.5 | 0.70 | 5.5 |
30 | 200 | 1002.7 | 0.69 | 5.2 |
35 | 205 | 982.5 | 0.67 | 4.8 |
40 | 210 | 969.1 | 0.66 | 4.5 |
50 | 220 | 934.4 | 0.64 | 4.0 |
