Measuring inequality in physician distributions using spatially adjusted Gini coefficients.

Objective: To measure inequality in physician distributions using Gini coefficient and spatially adjusted Gini coefficients.

Design: Measurements were based on the distribution of physician data from the Taiwan National Health Insurance Research Database (NHIRD) and population data from the Ministry of the Interior in Taiwan.

Settings: The distribution of population and physicians in Taiwan from 2001 to 2010.