Table 5.
Spearman rank correlation coefficients (r) between different impedance measures and same health facility identified as closest using different impedance measures (%) for impedance measures calculated to closest CEmOC facility
| |
Euclidean distance |
Network distance |
Mechanized network time |
Non-mechanized network time |
Mechanized raster time |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| r | % | r | % | r | % | r | % | r | % | |
|
Compound as origin
1
| ||||||||||
| Network distance (km) |
0.9849 |
91.6 |
1 |
|
|
|
|
|
|
|
| Mechanized network time (hr) |
0.7388 |
89.4 |
0.7852 |
91.0 |
1 |
|
|
|
|
|
| Non-mechanized network time (hr) |
0.9805 |
91.6 |
0.9980 |
100 |
0.8116 |
97.0 |
1 |
|
|
|
| Mechanized raster time (hr) |
0.5333 |
68.5 |
0.5847 |
73.4 |
0.8868 |
67.8 |
0.6171 |
68.7 |
1 |
|
| Non-mechanized raster time (hr) |
0.9680 |
90.4 |
0.9852 |
97.8 |
0.8439 |
88.5 |
0.9923 |
90.7 |
0.6749 |
73.6 |
|
Village as origin
2
| ||||||||||
| Network distance (km) |
0.9714 |
84.8 |
1 |
|
|
|
|
|
|
|
| Mechanized network time (hr) |
0.7115 |
87.3 |
0.7576 |
87.5 |
1 |
|
|
|
|
|
| Non-mechanized network time (hr) |
0.9707 |
84.8 |
0.9996 |
100 |
0.7703 |
87.5 |
1 |
|
|
|
| Mechanized raster time (hr) |
0.6287 |
65.6 |
0.6794 |
65.4 |
0.9417 |
75.5 |
0.6931 |
65.4 |
1 |
|
| Non-mechanized raster time (hr) | 0.9703 | 84.1 | 0.9949 | 98.6 | 0.7905 | 87.1 | 0.9966 | 98.6 | 0.7232 | 65.8 |
1n = 47,537 compounds 2n = 433 villages; n = 8 CEmOC facilities.