Table 2

Distances calculated between health services and spatial units

Spatial units (origins)

Health services (destinations)

Types of distance*

Distances calculated

Type

N


Census tracts

852

642

4

2,187,936

Dissemination areas

5,829

642

4

14,968,872

Blocks

25,767

642

4

66,169,656


Total

32,448

642

4

83,326,464


* Euclidean, Manhattan, shortest network distance, shortest network time.

Apparicio et al. International Journal of Health Geographics 2008 7:7   doi:10.1186/1476-072X-7-7

Open Data