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The Role of Poverty in Prostate Cancer in AfricanAmericans

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The Role of Poverty in Prostate Cancer in African-Americans. M. Norman ... VCR: Incident prostate cancer cases 1990-99. Geocoded 78% (nearly 31,000 cases) ... – PowerPoint PPT presentation

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Title: The Role of Poverty in Prostate Cancer in AfricanAmericans


1
The Role of Poverty in Prostate Cancer in
African-Americans
  • M. Norman Oliver, M.D., M.A.,
  • Assistant Professor, University of Virginia
    Departments of Family Medicine, Health Evaluation
    Sciences, and Anthropology
  • Eric Smith, M.S.,
  • University of Virginia Department of Family
    Medicine
  • Mir Siadaty, M.S., M.D.,
  • University of Virginia Department of Health
    Evaluation Sciences

2
Acknowledgements
  • Research supported by grants from the National
    Cancer Institute (1
    K07 CA099983-01) and the University of Virginia
    Paul Mellon Prostate Cancer Research Institute.

3
Prostate cancer scourge
  • Second leading cause of cancer death among men
  • Unequal burden African-Americans have both
    prostate cancer incidence and mortality rates
    twice that of whites
  • Reasons for disparities unclear. Diet?
    Environmental exposures? Access to health care?
    Genetic susceptibility?

4
Data description
  • VCR Incident prostate cancer cases 1990-99
  • Geocoded 78 (nearly 31,000 cases)
  • Cases aggregated to census block group level for
    comparison to sociodemographic variables in the
    1990 U.S. Census
  • Census variables low education (education (16yrs), income, rural all
    stratified by racial category

5
0.00000-72.38900
72.38901-221.70465
221.70466-375.20333
375.20334-579.86368
579.86369-990.50718
6
LOW
HIGH
7
0.00000-61.71469
61.71470-162.93925
162.93926-293.66711
293.66712-508.78444
508.76445-969.08000
8
LOW
HIGH
9
LOW
HIGH
10
0-6
7-17
18-26
27-47
48-100
11
LOW
HIGH
12
(No Transcript)
13
(No Transcript)
14
LOW
HIGH
15
(No Transcript)
16
Limitations of study
  • VCR a poor-quality cancer registry problems with
    data collection
  • Only used 78 of VCR data, with large fall out of
    rural data
  • U.S. Census suppresses some data at block group
    level
  • Incidence rates calculated using average 1990 and
    2000 populations
  • Spatial and temporal lag a general challenge for
    GIScience in public health

17
Next steps
  • GIS in cancer control research1) statistical
    modeling of incidence and mortality to identify
    predictors for intervention2) surveillance
    identify clusters for further investigation
  • Develop statistical models of VCR data
  • Diet surveys/ethnographic studies in areas of low
    and high incidence
  • Repeat these steps on data from southeastern U.S.

18
The Role of Poverty in Prostate Cancer in
African-Americans
  • M. Norman Oliver, M.D., M.A.,
  • Assistant Professor, University of Virginia
    Departments of Family Medicine, Health Evaluation
    Sciences, and Anthropology
  • Eric Smith, M.S.,
  • University of Virginia Department of Family
    Medicine
  • Mir Siadaty, M.S., M.D.,
  • University of Virginia Department of Health
    Evaluation Sciences
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