Electronic health records contain longitudinal patient address histories, a largely untapped, population-scale data source for studying residential mobility and spatial health inequity.
Jan 1, 2024
Health systems collect patient addresses as a routine byproduct of clinical care, updating them at every visit. In collaboration with Barbara Entwisle at the Carolina Population Center, this project asks what that administrative record can tell us about how people actually move.
Two papers are in preparation. The first examines the stability and instability of patient address records across a large clinical population over time, characterizing what address changes in EHR data represent and under what conditions they proxy true residential moves. The second evaluates EHR-derived address histories as a new source of data on residential mobility, benchmarking them against traditional survey-based approaches. Both are targeted for Demography. This work was presented at the Population Association of America Annual Meeting, Washington, DC (2025).
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