NHLBI Obesity Education Initiative
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NHLBI Obesity Education Initiative The Practical Guide Identification, Evaluation, and Treatment of Overweight and Obesity in Adults NATIONALNATIONAL INSTITUTESINSTITUTES OFOF HEALTHHEALTH NATIONALNATIONAL HEART,HEART, LUNG,LUNG, ANDAND BLOODBLOOD INSTITUTEINSTITUTE NORTH AMERICAN ASSOCIATION FOR THE STUDY OF OBESITY ACKNOWLEDGMENTS: The Working Group wishes to acknowledge the additional input to the Practical Guide from the following individuals: Dr. Thomas Wadden, University of Pennsylvania; Dr. Walter Pories, East Carolina University; Dr. Steven Blair, Cooper Institute for Aerobics Research; and Dr. Van S. Hubbard, National Institute of Diabetes and Digestive and Kidney Diseases. The Practical Guide Identification, Evaluation, and Treatment of Overweight and Obesity in Adults National Institutes of Health NHLBI Obesity Education Initiative National Heart, Lung, and Blood Institute North American Association for the Study of Obesity NIH Publication Number 00-4084 October 2000 NHLBI Obesity Education Initiative Barbara C. Hansen, Ph.D. David F. Williamson, Ph.D., M.S. Expert Panel on the Identification, University of Maryland School of Medicine Centers for Disease Control and Prevention Evaluation, and Treatment of Millicent Higgins, M.D. G. Terence Wilson, Ph.D. Overweight and Obesity in Adults. University of Michigan Rutgers Eating Disorders Clinic F.Xavier Pi-Sunyer, M.D., M.P.H. James O. Hill, Ph.D. Columbia University College University of Colorado EX-OFFICIO MEMBERS of Physicians and Surgeons Health Sciences Center Clarice D. Brown, M.S. Chair of the Panel Barbara V. Howard, Ph.D. Coda Research Inc. Medlantic Research Institute Karen A. Donato, M.S., R.D.* MEMBERS Robert J. Kuczmarski, Dr.P.H., R.D. Executive Director of the Panel Coordinator, NHLBI Obesity Diane M. Becker, Sc.D., M.P.H. National Center for Health Statistics Education Initiative The Johns Hopkins University Centers for Disease Control and Prevention National Heart, Lung, and Blood Institute Claude Bouchard, Ph.D. Shiriki Kumanyika, Ph.D., R.D., M.P.H. National Institutes of Health Laval University The University of Pennsylvania Nancy Ernst, Ph.D., R.D.* Richard A. Carleton, M.D. R. Dee Legako, M.D. National Heart, Lung, and Blood Institute Brown University School of Medicine Prime Care Canyon Park Family Physicians, Inc. National Institutes of Health Graham A. Colditz, M.D., Dr.P.H. D. Robin Hill, Ph.D.* Harvard Medical School T. Elaine Prewitt, Dr.P.H., R.D. Loyola University Medical Center National Heart, Lung, and Blood Institute William H. Dietz, M.D., Ph.D. National Institutes of Health National Center for Chronic Disease Albert P. Rocchini, M.D. Michael J. Horan, M.D., Sc.M.* Prevention and Health Promotion University of Michigan Medical Center National Heart, Lung, and Blood Institute Centers for Disease Control and Prevention Philip L Smith, M.D. National Institutes of Health John P. Foreyt, Ph.D. The Johns Hopkins Asthma Van S. Hubbard, M.D., Ph.D. Baylor College of Medicine and Allergy Center National Institute of Diabetes and Linda G. Snetselaar, Ph.D., R.D. Robert J. Garrison, Ph.D. Digestive and Kidney Diseases University of Tennessee, Memphis University of Iowa James P. Kiley, Ph.D.* James R. Sowers, M.D. Scott M. Grundy, M.D., Ph.D. National Heart, Lung, and Blood Institute Wayne State University School of Medicine University of Texas Southwestern National Institutes of Health Medical Center at Dallas University Health Center Eva Obarzanek, Ph.D., R.D., M.P.H.* Michael Weintraub, M.D. National Heart, Lung, and Blood Institute Food and Drug Administration National Institutes of Health North American Association for the Susan Fried, Ph.D. *NHLBI Obesity Initiative Task Force Member Study of Obesity Practical Guide Rutgers University CONSULTANT Development Committee Patrick Mahlen O'Neil, Ph.D. Medical University of South Carolina David Schriger, M.D., M.P.H., F.A.C.E.P. Louis J. Aronne, M.D., F.A.C.P. University of California Henry Buchwald, M.D. Cornell University, Chair Los Angeles School of Medicine University of Minnesota MEMBERS George Cowan, M.D. SAN ANTONIO COCHRANE CENTER University of Tennessee Charles Billington, M.D. Elaine Chiquette, Pharm.D. College of Medicine University of Minnesota Robert Brolin, M.D. Cynthia Mulrow, M.D., M.Sc. George Blackburn, M.D., Ph.D. UMDNJ-Robert Wood Johnson V.A. Cochrane Center at San Antonio Harvard University Medical School Audie L. Murphy Memorial Karen A. Donato, M.S., R. D. Veterans Hospital NHLBI Obesity Education Initiative EX-OFFICIO MEMBERS STAFF National Heart, Lung, and James O. Hill, Ph.D. Blood Institute University of Colorado Adrienne Blount, Maureen Harris, M.S., R.D., National Institutes of Health Health Sciences Center Anna Hodgson, M.A., Pat Moriarty, M.Ed., R.D., R.O.W. Sciences, Inc. Arthur Frank, M.D. Edward Bernstein, M.P.H. George Washington University North American Association for the Study of Obesity Table of Contents Foreword ......................................................................................................................................v How To Use This Guide..............................................................................................................vi Executive Summary ....................................................................................................................1 Assessment ..........................................................................................................................1 Body Mass Index...........................................................................................................1 Waist Circumference .....................................................................................................1 Risk Factors or Comorbidities.......................................................................................1 Readiness To Lose Weight............................................................................................2 Management.........................................................................................................................2 Weight Loss ..................................................................................................................2 Prevention of Weight Gain ............................................................................................2 Therapies..............................................................................................................................2 Dietary Therapy.............................................................................................................2 Physical Activity ............................................................................................................3 Behavior Therapy ..........................................................................................................3 Pharmacotherapy..........................................................................................................3 Weight Loss Surgery.....................................................................................................4 Special Situations.................................................................................................................4 Introduction..................................................................................................................................5 The Problem of Overweight and Obesity .............................................................................5 Treatment Guidelines..................................................................................................................7 Assessment and Classification of Overweight and Obesity.................................................8 Assessment of Risk Status ................................................................................................11 Evaluation and Treatment Strategy ....................................................................................15 Ready or Not: Predicting Weight Loss ...............................................................................21 Management of Overweight and Obesity...........................................................................23 Weight Management Techniques .............................................................................................25 Dietary Therapy ..................................................................................................................26 Physical Activity..................................................................................................................28 Behavior Therapy ...............................................................................................................30 Making the Most of the Patient Visit............................................................................30 Pharmacotherapy ...............................................................................................................35 Weight Loss Surgery..........................................................................................................38 Weight Reduction After Age 65 ...............................................................................................41 References .................................................................................................................................42 iii Introduction to the Appendices ...............................................................................................45 Appendix A. Body Mass Index Table..................................................................................46