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Choropleth map design for cancer incidence, part 1
Thomas B Richards1, Zahava Berkowitz, Cheryll C Thomas
1Centers for Disease Control and Prevention, Atlanta, GA 30341-3717, USA. TRichards@cdc.gov
Preventing Chronic Disease
|December 31, 2009
Summary
This study provides guidance on designing choropleth maps for cancer incidence data. It recommends advanced mapping techniques and usability testing for better cancer control program planning and evaluation.
Area of Science:
- Geographic Information Systems (GIS) in Public Health
- Cancer Surveillance and Epidemiology
- Health Communication and Data Visualization
Background:
- Choropleth maps are widely used in cancer reporting and public health discussions.
- Cancer registries are increasingly adopting GIS techniques for spatial analysis.
- The Centers for Disease Control and Prevention (CDC) established a Map Work Group to standardize GIS mapping for cancer data.
Purpose of the Study:
- To provide guidance on choropleth map design for displaying cancer incidence data.
- To promote the use of GIS mapping techniques for cancer registries.
- To support planning and evaluation of comprehensive cancer control programs.
Main Methods:
- The study addresses frequently asked questions regarding choropleth map design.
- It focuses on data from central cancer registries supported by the National Program of Cancer Registries.
- Recommendations are based on expert consensus from the CDC's Map Work Group.
Main Results:
- The series offers practical advice on creating effective choropleth maps for cancer data.
- It emphasizes the importance of clear and accurate data representation.
- The guidance aims to enhance the utility of maps in cancer control initiatives.
Conclusions:
- Future efforts should incorporate advanced mapping, spatial analysis, and spatial statistics.
- Usability testing with state/local programs and partners is crucial for map design.
- Improved map design and analysis can lead to more effective cancer prevention strategies.
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