Fig 1.
Historical pattern of publication: documents per year.
Fig 2.
The family of accessibility measures analytical framework.
Table 1.
Summary of constrained accessibility measure types and interpretations.
Table 2.
Simple system with three zones (ID 1, 2 and 3). Population is in 10,000 persons and opportunities in number of physicians.
Table 3.
Cost matrix for system with three zones (travel time in minutes).
Table 4.
Simple system: Unconstrained accessibility.
Table 5.
Simple system: Total-constrained accessible opportunities.
Table 6.
Simple system: Total-constrained accessible population.
Table 7.
Simple system: Singly-constrained accessible opportunities.
Table 8.
Simple system: Singly-constrained accessible opportunities per capita.
Table 9.
Modified simple system with three zones reflecting matched population and opportunities. Population is in 10,000 persons and opportunities in 10,000 of physician-capacity.
Table 10.
Doubly-constrained accessible opportunities assuming highest travel decay in the modified simple system.
Table 11.
Doubly-constrained accessible opportunities at Zone 2 for all travel decay groups in the modified simple system.