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The Public Health Effects of Food Deserts: Workshop Summary
THE PUBLIC HEALTH EFFECTS OF FOOD DESERTS
WORKSHOP SUMMARY
Paula Tarnapol Whitacre, Peggy Tsai, and Janet Mulligan, Rapporteurs
Food and Nutrition Board
Board on Agriculture and Natural Resources
Board on Population Health and Public Health Practice
INSTITUTE OF MEDICINE AND NATIONAL RESEARCH COUNCIL OF THE NATIONAL ACADEMIES
THE NATIONAL ACADEMIES PRESS
Washington, D.C.
www.nap.edu
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The Public Health Effects of Food Deserts: Workshop Summary
THE NATIONAL ACADEMIES PRESS
500 Fifth Street, N.W. Washington, DC 20001
NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine.
This workshop was supported by Contract No. AG-3K06-C-08-0034 between the National Academy of Sciences and the U.S. Department of Agriculture. Any opinions, findings, and conclusions or recommendations in this document are those of the authors and do not necessarily reflect the views of the organizations or agencies that provided support for the project.
International Standard Book Number-13: 978-0-309-13728-7
International Standard Book Number-10: 0-309-13728-4
Additional copies of this report are available from the
National Academies Press,
500 Fifth Street, N.W., Lockbox 285, Washington, DC 20055; (800) 624-6242 or (202) 334-3313 (in the Washington metropolitan area); Internet, http://www.nap.edu.
For more information about the Institute of Medicine, visit the IOM homepage at: www.iom.edu.
Copyright 2009 by the National Academy of Sciences. All rights reserved.
Printed in the United States of America
Cover credit: Top left: Urban corner store in Baltimore, MD, courtesy of Joel Gittelsohn. Top right: Fast food stock photo, with permission from iStock.com. Bottom left: Dollar store, courtesy of Joseph Sharkey. Bottom right: Enclosed urban grocery in Baltimore, MD, courtesy of Joel Gittelsohn. Center: Farmers market in Washington, DC, courtesy of Kamweti Mutu.
The serpent has been a symbol of long life, healing, and knowledge among almost all cultures and religions since the beginning of recorded history. The serpent adopted as a logotype by the Institute of Medicine is a relief carving from ancient Greece, now held by the Staatliche Museen in Berlin.
Suggested citation: IOM (Institute of Medicine) and National Research Council (NRC). 2009. The public health effects of food deserts: Workshop summary. Washington, DC: The National Academies Press.
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The Public Health Effects of Food Deserts: Workshop Summary
“Knowing is not enough; we must apply.
Willing is not enough; we must do.”
—Goethe
INSTITUTE OF MEDICINE OF THE NATIONAL ACADEMIES
Advising the Nation. Improving Health.
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The Public Health Effects of Food Deserts: Workshop Summary
THE NATIONAL ACADEMIES
Advisers to the Nation on Science, Engineering, and Medicine
The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Ralph J. Cicerone is president of the National Academy of Sciences.
The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding engineers. It is autonomous in its administration and in the selection of its members, sharing with the National Academy of Sciences the responsibility for advising the federal government. The National Academy of Engineering also sponsors engineering programs aimed at meeting national needs, encourages education and research, and recognizes the superior achievements of engineers. Dr. Charles M. Vest is president of the National Academy of Engineering.
The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the National Academy of Sciences by its congressional charter to be an adviser to the federal government and, upon its own initiative, to identify issues of medical care, research, and education. Dr. Harvey V. Fineberg is president of the Institute of Medicine.
The National Research Council was organized by the National Academy of Sciences in 1916 to associate the broad community of science and technology with the Academy’s purposes of furthering knowledge and advising the federal government. Functioning in accordance with general policies determined by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering communities. The Council is administered jointly by both Academies and the Institute of Medicine. Dr. Ralph J. Cicerone and Dr. Charles M. Vest are chair and vice chair, respectively, of the National Research Council.
www.national-academies.org
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The Public Health Effects of Food Deserts: Workshop Summary
PLANNING COMMITTEE ON THE PUBLIC HEALTH EFFECTS OF FOOD DESERTS*
BARRY M. POPKIN (Chair), Director,
UNC Interdisciplinary Obesity Program,
The Carla Smith Chamblee Distinguished Professor of Global Nutrition, School of Public Health Professor,
Department of Nutrition, University of North Carolina, Chapel Hill
ANA V. DIEZ ROUX, Professor, Epidemiology Director,
Center for Integrative Approaches to Health Disparities,
Associate Director,
Center for Social Epidemiology and Population Health, University of Michigan School of Public Health, Ann Arbor
JOEL GITTELSOHN, Associate Professor,
Center for Human Nutrition, Department of International Health, Johns Hopkins University, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
BARBARA A. LARAIA, Assistant Professor,
Division of Prevention Sciences, Department of Medicine, University of California, San Francisco
ROBIN A. MCKINNON, Health Policy Specialist,
Risk Factor Monitoring and Methods Branch Applied Research Program, National Cancer Institute, Rockville, Maryland
JOSEPH R. SHARKEY, Associate Professor,
Social and Behavioral Health,
Director,
Texas Healthy Aging Research Network,
Director,
Program for Research in Nutrition and Health Disparities, School of Rural Public Health, Texas A&M Health Science Center, College Station, Texas
Study Staff
PEGGY TSAI, Study Director
JANET MULLIGAN, Research Associate
HEATHER BREINER, Program Associate
PAULA TARNAPOL WHITACRE, Consultant Science Writer
LINDA D. MEYERS, Food and Nutrition Board Director
ROBIN A. SCHOEN, Director,
Board on Agriculture and Natural Resources
*
Institute of Medicine and National Research Council planning committees are solely responsible for organizing the workshop, identifying topics, and choosing speakers. The responsibility for the published workshop summary rests with the workshop rapporteurs and the institution.
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The Public Health Effects of Food Deserts: Workshop Summary
FOOD AND NUTRITION BOARD*
DENNIS M. BIER (Chair),
Children’s Nutrition Research Center, Houston, Texas
MICHAEL P. DOYLE (Vice Chair),
Center for Food Safety, University of Georgia, Griffin
DIANE BIRT,
Department of Food Science and Human Nutrition, Iowa State University, Ames
YVONNE BRONNER,
School of Public Health and Policy, Morgan State University, Baltimore, Maryland
FERGUS M. CLYDESDALE,
Department of Food Science, University of Massachusetts, Amherst
RICHARD J. DECKELBAUM,
Institute of Human Nutrition, Columbia University, New York
GORDON L. JENSEN,
Department of Nutritional Sciences, Pennsylvania State University, University Park
REYNALDO MARTORELL,
Department of Global Health, Emory University, Atlanta, Georgia
SUSAN T. MAYNE,
Division of Chronic Disease Epidemiology, Yale University School of Medicine, New Haven, Connecticut
SANFORD A. MILLER,
Center for Food, Nutrition, and Agriculture Policy, University of Maryland, College Park
J. GLENN MORRIS, JR.,
Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore
SUZANNE P. MURPHY,
Cancer Research Center of Hawaii, University of Hawaii, Honolulu
JOSE M. ORDOVAS,
Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
MARTIN A. PHILBERT,
School of Public Health, University of Michigan, Ann Arbor
JIM E. RIVIERE,
Center for Chemical Toxicology Research and Pharmacokinetics, North Carolina State University, Raleigh
PATRICK J. STOVER,
Division of Nutritional Sciences, Cornell University, Ithaca, New York
WALTER C. WILLETT,
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts
*
Institute of Medicine boards do not review or approve individual reports and are not asked to endorse conclusions and recommendations. The responsibility for the content of the report rests with the rapporteurs and the institution.
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The Public Health Effects of Food Deserts: Workshop Summary
Staff
LINDA D. MEYERS, Director
GERALDINE KENNEDO, Administrative Assistant
ANTON L. BANDY, Financial Associate
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The Public Health Effects of Food Deserts: Workshop Summary
BOARD ON AGRICULTURE AND NATURAL RESOURCES
W. REG GOMES (Chair),
University of California (emeritus), Oakland
PEGGY F. BARLETT,
Emory University, Atlanta, Georgia
ROGER N. BEACHY,
Donald Danforth Plant Science Center, St. Louis, Missouri
HAROLD L. BERGMAN,
University of Wyoming, Laramie
H.H. CHENG,
University of Minnesota (emeritus), St. Paul
RICHARD A. DIXON,
Samuel Roberts Noble Foundation, Ardmore, Oklahoma
DANIEL M. DOOLEY,
University of California, Oakland
JOAN H. EISEMANN,
North Carolina State University, Raleigh
GARY F. HARTNELL,
Monsanto Company, St. Louis, Missouri
GENE HUGOSON,
Minnesota Department of Agriculture, St. Paul
KIRK C. KLASING,
University of California, Davis
VICTOR L. LECHTENBERG,
Purdue University, West Lafayette, Indiana
PHILLIP E. NELSON,
Purdue University, West Lafayette, Indiana
ROBERT PAARLBERG,
Wellesley College, Watertown, Massachusetts
KEITH PITTS,
Marrone Organic Innovations, Davis, California
CHARLES W. RICE,
Kansas State University, Manhattan
HAL SALWASSER,
Oregon State University, Corvallis
PEDRO A. SANCHEZ,
The Earth Institute, Columbia University, Palisades, New York
NORMAN R. SCOTT,
Cornell University, Ithaca, New York
ROGER A. SEDJO,
Resources for the Future, Washington, DC
KATHLEEN SEGERSON,
University of Connecticut, Storrs
MERCEDES VAZQUEZ-AÑON,
Novus International, Inc., St. Charles, Missouri
Staff
ROBIN A. SCHOEN, Director
KAREN L. IMHOF, Administrative Assistant
AUSTIN J. LEWIS, Senior Program Officer
EVONNE P.Y. TANG, Senior Program Officer
PEGGY TSAI, Program Officer
CAMILLA YANDOC ABLES, Associate Program Officer
KARA N. LANEY, Associate Program Officer
RUTH S. ARIETI, Research Associate
JANET M. MULLIGAN, Research Associate
KAMWETI MUTU, Research Associate
ERIN P. MULCAHY, Senior Program Assistant
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The Public Health Effects of Food Deserts: Workshop Summary
BOARD ON POPULATION HEALTH AND PUBLIC HEALTH PRACTICE
JAMES W. CURRAN (Chair),
Emory University, Atlanta, Georgia
MARGARITA ALEGRÍA,
Cambridge Health Alliance, Somerville, Massachusetts
SUSAN M. ALLAN,
University of Washington, Seattle
GEORGES C. BENJAMIN,
American Public Health Association, Washington, DC
BOBBIE A. BERKOWITZ,
University of Washington, Seattle
DAN G. BLAZER,
Duke University Medical Center, Durham, North Carolina
DAVID R. CHALLONER,
University of Florida, Gainesville
R. ALTA CHARO,
University of Wisconsin, Madison
JOSE JULIO ESCARCE,
UCLA Med-GIM & HSR, Los Angeles, California
HOWARD HU,
University of Michigan Schools of Public Health and Medicine, Ann Arbor
MATTHEW W. KREUTER,
Washington University in Saint Louis, St. Louis, Missouri
MARGARET E. O’KANE,
National Committee for Quality Assurance, Washington, DC
GEORGE W. RUTHERFORD,
University of California, San Francisco, School of Medicine, San Francisco
SUSAN L. SANTOS,
University of Medicine and Dentistry, New Jersey, Medford, Massachusetts
MARTIN JOSE SEPULVEDA,
International Business Machines Corporation, Somers, New York
SAMUEL SO,
Stanford University, Stanford, California
ANTONIA M. VILLARRUEL,
University of Michigan School of Nursing, Ann Arbor
PAUL J. WALLACE,
The Permanente Federation, Kaiser Permanente, Oakland, California
GINA M. WINGOOD,
Rollins School of Public Health, Emory University, Atlanta, Georgia
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The Public Health Effects of Food Deserts: Workshop Summary
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The Public Health Effects of Food Deserts: Workshop Summary
Acknowledgments
This report is a product of the cooperation and contributions of the speakers and participants who attended the workshop on January 26-27, 2009. Their presentations helped to set the stage for the fruitful discussions in the sessions that followed.
This workshop summary report has been reviewed in draft form by individuals chosen for their diverse perspectives and technical expertise in accordance with procedures approved by the National Research Council’s Report Review Committee. The purpose of the independent review is to provide candid and critical comments that will assist the institution in making its published report as sound as possible and to ensure that the report meets institutional standards of objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process. We wish to thank the following for their review of this report:
Alice Ammerman, Center for Health Promotion and Disease Prevention, University of North Carolina at Chapel Hill
Angela D. Liese, Center for Research in Nutrition and Health Disparities and Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia
Diego Rose, School of Public Health & Tropical Medicine, Tulane University, New Orleans, Louisiana
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The Public Health Effects of Food Deserts: Workshop Summary
Mary Story, Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis
Elizabeth Tuckermanty, Cooperative State Research, Education, and Extension Service, United States Department of Agriculture, Washington, DC
Although the reviewers listed above have provided constructive comments and suggestions, they were not asked to endorse the conclusions or recommendations, nor did they see the final draft of the report before its release. The review of this report was overseen by Dr. Eileen Kennedy, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts. Appointed by the National Research Council and Institute of Medicine, she was responsible for making certain that an independent examination of this report was carried out in accordance with institutional procedures and that all review comments were carefully considered. Responsibility for the final content of this report rests entirely with the authors and the institutions.
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The Public Health Effects of Food Deserts: Workshop Summary
Contents
SUMMARY
1
1
INTRODUCTION
5
Background,
5
Congressional Mandate,
6
Workshop Organization,
6
Defining Food Deserts,
7
Organization of the Workshop Summary,
9
2
DETERMINING THE EXTENT OF FOOD DESERTS
11
National Overview of Food Deserts by Demographics and Socioeconomic Status,
11
Measuring Food Deserts: Focusing on Urban Areas,
14
Measuring Food Deserts: Focusing on Rural Areas,
17
Dynamics of the Food Shopping Environment,
21
Discussion: Measuring Food Deserts,
23
3
STUDYING FOOD DESERTS THROUGH DIFFERENT LENSES
27
Epidemiological Approach,
27
Geospatial Approach,
30
Economic Approach,
32
Discussion: Different Approaches,
33
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The Public Health Effects of Food Deserts: Workshop Summary
4
DIET AND HEALTH EVIDENCE TO SUPPORT IMPROVED FOOD ACCESS
37
Effects of Selected Dietary Factors on Obesity,
37
Effects of Selected Dietary Factors on Cardiovascular Disease and Cancer,
40
Discussion: Health Consequences,
42
5
AMELIORATING FOOD DESERT CONDITIONS
45
Research Interventions,
45
Policy Interventions,
56
Small Stores,
59
Farmers Markets and Other Alternatives in Low-Income Communities,
61
Discussion: Policy Interventions,
65
6
RESEARCH GAPS AND NEEDS
67
Development of Methodology and Tools,
68
Approaches to Measuring Food Deserts and Outcomes,
69
Next Steps and Closing Thoughts,
73
REFERENCES
75
APPENDIXES
A
PLANNING COMMITTEE BIOGRAPHIES
79
B
WORKSHOP AGENDA
83
C
SPEAKER AND MODERATOR BIOGRAPHIES
89
D
WORKSHOP PARTICIPANTS
97