relevant fields, including public health, epidemiology, nutrition, media studies and communication, psychology, and public policy. The workshop was designed to support the committee in carrying out its charge, and not to serve as a forum for the committee to discuss findings or conclusions related to the charge.

This report summarizes the presentations and discussions at the workshop. Chapters 2 and 3 provide an overview of issues related to measurement in two key areas: Chapter 2 addresses physical activity and the built environment, while Chapter 3 focuses on food and nutrition policies and environments. Chapter 4 reviews the measures, data sources, and methods that relate to both of these environments and may help researchers and policy makers assess progress in obesity prevention. Chapter 5 examines marketing strategies, public health campaigns, and data on marketing exposure. Chapter 6 focuses on state and local policy efforts, exploring both existing measures of their effectiveness and possibilities for the future. Chapter 7 addresses the ethnic, geographic, and other disparities in obesity prevalence that must be considered in measuring progress in obesity prevention. The final chapter presents a summary of key themes from the workshop.


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