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Related Experiment Videos

Zone design for environment and health studies using pre-aggregated data.

Samantha Cockings1, David Martin

  • 1School of Geography, University of Southampton, Southampton, SO17 1BJ, UK. s.cockings@soton.ac.uk

Social Science & Medicine (1982)
|April 12, 2005
PubMed
Summary

The modifiable areal unit problem impacts environment and health studies. Automatically designed zones offer more stable estimates and better analysis than pre-existing geographical units, improving spatial pattern discovery.

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Area of Science:

  • Environmental Health
  • Spatial Analysis
  • Geographic Information Systems (GIS)

Background:

  • Environment and health studies frequently use geographical areas as units of analysis.
  • The way these areas are designed can significantly affect observed spatial relationships and patterns, a phenomenon known as the modifiable areal unit problem (MAUP).

Purpose of the Study:

  • To identify phenomena and processes measured in environment and health studies.
  • To conceptualize their representation as data objects in spatial analysis.
  • To outline the application of zone design techniques for creating appropriate analytical areas.

Main Methods:

  • Identification of phenomena and processes in environmental and health research.
  • Conceptualization of spatial data objects.

Related Experiment Videos

  • Application of zone design techniques.
  • Empirical study using deprivation and limiting long-term illness data in Avon, UK.

    • Main Results:

    • Demonstration of zone design techniques for creating zones with stable estimates.
    • Exploration of the sensitivity of spatial relationships to zoning system changes.
    • Illustration of the inappropriateness of 1991 Census enumeration districts and wards for analysis.

    Conclusions:

    • Automatically designed aggregations may provide a more appropriate basis for spatial analysis in environment and health studies than pre-existing zoning systems.
    • Zone design techniques are valuable for addressing the modifiable areal unit problem.