Table 5 Global Pearson correlations between alternative types of distance

Distances between census tracts and health services (N)

483,640

483,640

483,640

483,640

483,640

483,640

 Euclidean distance

1.0000

 Manhattan distance

0.9851

1.0000

 Shortest network time (on foot)

0.9719

0.9497

1.0000

 Shortest network time (by car)

0.9416

0.9148

0.9626

1.0000

 Shortest network time (by bicycle)

0.9457

0.9257

0.9716

0.9517

1.0000

 Shortest network time (by public transit)

0.7711

0.7512

0.8215

0.7978

0.8029

1.0000

Distances between dissemination areas and health services (N)

3,299,345

3,299,345

3,299,345

3,299,345

3,299,345

3,299,345

 Euclidean distance

1.0000

 Manhattan distance

0.9842

1.0000

 Shortest network time (on foot)

0.9696

0.9462

1.0000

 Shortest network time (by car)

0.9386

0.9101

0.9612

1.0000

 Shortest network time (by bicycle)

0.9407

0.9194

0.9691

0.9493

1.0000

 Shortest network time (by public transit)

0.7610

0.7411

0.8115

0.7873

0.7893

1.0000

Distances between blocks and health services (N)

14,512,410

14,512,410

14,512,410

14,512,410

14,512,410

14,512,410

 Euclidean distance

1.0000

 Manhattan distance

0.9826

1.0000

 Shortest network time (on foot)

0.9627

0.9373

1.0000

 Shortest network time (by car)

0.9329

0.9034

0.9594

1.0000

 Shortest network time (by bicycle)

0.9333

0.9106

0.9641

0.9459

1.0000

 Shortest network time (by public transit)

0.7377

0.7210

0.7948

0.7635

0.7670

1.0000

Distances between block centroids adjusted with the land use map and health services (N)

14,512,410

14,512,410

14,512,410

14,512,410

14,512,410

14,512,410

 Euclidean distance

1.0000

 Manhattan distance

0.9826

1.0000

 Shortest network time (on foot)

0.9627

0.9374

1.0000

 Shortest network time (by car)

0.9330

0.9036

0.9594

1.0000

 Shortest network time (by bicycle)

0.9334

0.9106

0.9641

0.9460

1.0000

 Shortest network time (by public transit)

0.7390

0.7227

0.7958

0.7634

0.7676

1.0000