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Theory and data for simulating fine-scale human movement in an urban environment

Identifieur interne : 000F06 ( Main/Exploration ); précédent : 000F05; suivant : 000F07

Theory and data for simulating fine-scale human movement in an urban environment

Auteurs : T. Alex Perkins [États-Unis] ; Andres J. Garcia [États-Unis] ; Valerie A. Paz-Soldán [États-Unis] ; Steven T. Stoddard [États-Unis] ; Robert C. Reiner [États-Unis] ; Gonzalo Vazquez-Prokopec [États-Unis] ; Donal Bisanzio [États-Unis] ; Amy C. Morrison [États-Unis] ; Eric S. Halsey [Pérou] ; Tadeusz J. Kochel [Pérou] ; David L. Smith [États-Unis] ; Uriel Kitron [États-Unis] ; Thomas W. Scott [États-Unis] ; Andrew J. Tatem [États-Unis, Royaume-Uni, Suède]

Source :

RBID : ISTEX:7EB39794B73C20971E72A6C2891486D8D54A26DA

Abstract

Individual-based models of infectious disease transmission depend on accurate quantification of fine-scale patterns of human movement. Existing models of movement either pertain to overly coarse scales, simulate some aspects of movement but not others, or were designed specifically for populations in developed countries. Here, we propose a generalizable framework for simulating the locations that an individual visits, time allocation across those locations, and population-level variation therein. As a case study, we fit alternative models for each of five aspects of movement (number, distance from home and types of locations visited; frequency and duration of visits) to interview data from 157 residents of the city of Iquitos, Peru. Comparison of alternative models showed that location type and distance from home were significant determinants of the locations that individuals visited and how much time they spent there. We also found that for most locations, residents of two neighbourhoods displayed indistinguishable preferences for visiting locations at various distances, despite differing distributions of locations around those neighbourhoods. Finally, simulated patterns of time allocation matched the interview data in a number of ways, suggesting that our framework constitutes a sound basis for simulating fine-scale movement and for investigating factors that influence it.

Url:
DOI: 10.1098/rsif.2014.0642


Affiliations:


Links toward previous steps (curation, corpus...)


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<div type="abstract">Individual-based models of infectious disease transmission depend on accurate quantification of fine-scale patterns of human movement. Existing models of movement either pertain to overly coarse scales, simulate some aspects of movement but not others, or were designed specifically for populations in developed countries. Here, we propose a generalizable framework for simulating the locations that an individual visits, time allocation across those locations, and population-level variation therein. As a case study, we fit alternative models for each of five aspects of movement (number, distance from home and types of locations visited; frequency and duration of visits) to interview data from 157 residents of the city of Iquitos, Peru. Comparison of alternative models showed that location type and distance from home were significant determinants of the locations that individuals visited and how much time they spent there. We also found that for most locations, residents of two neighbourhoods displayed indistinguishable preferences for visiting locations at various distances, despite differing distributions of locations around those neighbourhoods. Finally, simulated patterns of time allocation matched the interview data in a number of ways, suggesting that our framework constitutes a sound basis for simulating fine-scale movement and for investigating factors that influence it.</div>
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