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Table 1 Approaches for conceptualizing and measuring the geographical accessibility of services and facilities for residential areas

From: Comparing alternative approaches to measuring the geographical accessibility of urban health services: Distance types and aggregation-error issues

Conceptualization

Accessibility measures

Immediate proximity

The distance between a location and the closest facility

Availability within one area unit

The number of facilities contained within a given unit (for example, census tract)

Availability provided by the immediate surroundings

The number of facilities within a given distance from a point of origin

Average cost to reach all destinations

The average distance between a location and all facilities

Average cost to reach diversity

The average distance between a location and n facilities

  1. Adapted from Talen [41] and Apparicio et al. [32].
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International Journal of Health Geographics

ISSN: 1476-072X