Applying spatial analysis tools in public health

An example using satscan to detect geographic targets for colorectal cancer screening interventions

Recinda L. Sherman, Kevin A. Henry, Stacey L. Tannenbaum, Daniel J Feaster, Erin Kobetz, David J Lee

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Epidemiologists are gradually incorporating spatial analysis into health-related research as geocoded cases of disease become widely available and health-focused geospatial computer applications are developed. One health-focused application of spatial analysis is cluster detection. Using cluster detection to identify geographic areas with high-risk populations and then screening those populations for disease can improve cancer control. SaTScan is a free cluster-detection software application used by epidemiologists around the world to describe spatial clusters of infectious and chronic disease, as well as disease vectors and risk factors. The objectives of this article are to describe how spatial analysis can be used in cancer control to detect geographic areas in need of colorectal cancer screening intervention, identify issues commonly encountered by SaTScan users, detail how to select the appropriate methods for using SaTScan, and explain how method selection can affect results. As an example, we used various methods to detect areas in Florida where the population is at high risk for late-stage diagnosis of colorectal cancer. We found that much of our analysis was underpowered and that no single method detected all clusters of statistical or public health significance. However, all methods detected 1 area as high risk; this area is potentially a priority area for a screening intervention. Cluster detection can be incorporated into routine public health operations, but the challenge is to identify areas in which the burden of disease can be alleviated through public health intervention. Reliance on SaTScan's default settings does not always produce pertinent results.

Original languageEnglish
Article number130264
JournalPreventing chronic disease
Volume11
Issue number3
DOIs
StatePublished - Jan 1 2014

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Spatial Analysis
Early Detection of Cancer
Colorectal Neoplasms
Public Health
Health
Geographic Mapping
Population
Disease Vectors
Delayed Diagnosis
Communicable Diseases
Neoplasms
Chronic Disease
Software
Research

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health Policy

Cite this

Applying spatial analysis tools in public health : An example using satscan to detect geographic targets for colorectal cancer screening interventions. / Sherman, Recinda L.; Henry, Kevin A.; Tannenbaum, Stacey L.; Feaster, Daniel J; Kobetz, Erin; Lee, David J.

In: Preventing chronic disease, Vol. 11, No. 3, 130264, 01.01.2014.

Research output: Contribution to journalArticle

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