Toward a Global Diet Quality Metric

Event Details


Online (Zoom)

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Start: Thursday, 10 December 2020 @ 17.00 GMT / 12.00 EST

End: Thursday, 10 December 2020 @ 18.00 GMT / 13.00 EST

No global standard metrics of diet quality exists at present.

Reasons include different food consumption patterns among populations (creating a challenge for developing a universally-relevant list of foods to measure), and different burdens of disease between the global north and south (the relative importance of noncommunicable disease (NCDs) and nutrient deficiencies suggests different food groups and nutrients as priorities to measure).

As a result, existing diet quality metrics capture either nutrient adequacy or diet-related NCD risk, but not both, and it is difficult to compare diet quality between populations or track trends within populations.

To address this challenge, a team of investigators at Harvard University is collaborating with Intake – Center for Dietary Assessment on a two-year Gates Foundation-funded project, with the objective of developing and validating a novel food-based metric of diet quality for global use. In this presentation, Drs Bromage and Willett will briefly introduce the global situation of dietary data availability and diet quality measurement, and will describe the development process, validity, and implications of the new metric.

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About the speakers

Dr Sabri Bromage
Dr Sabri Bromage is currently a postdoctoral research fellow in the Department of Nutrition at Harvard T.H. Chan School of Public Health. His research has focused on nutritional epidemiology in low- and middle-income countries, with emphasis on development, training, administration, and analysis of methods for assessing diet. An overarching goal of this research is to produce economical and easy-to-use tools and metrics that can be implemented in national nutrition surveillance platforms for the purpose of evaluating and tracking population diet quality. Dr Bromage is also interested in how such tools can contribute to multidimensional measurement of food systems and be further translated toward promotion of healthy and sustainable diets. He received a BA in Chemistry from New York University in 2011, MPH in International Health from the University of Michigan in 2013, and Doctor of Science in Nutrition from Harvard University in 2018.

Prof. Walter C. Willett
Dr Willett, MD, DrPH, is a global expert on diet and NCD prevention. He is Professor of Epidemiology and Nutrition at Harvard T.H. Chan School of Public Health and Professor of Medicine at Harvard Medical School. Dr Willett has focused much of his work over the last 40 years on the development and evaluation of methods, using both questionnaire and biochemical approaches, to study the effects of diet on the occurrence of major diseases. Dr Willett has published over 1,700 original research papers and reviews, primarily on lifestyle risk factors for heart disease, cancer, and other conditions and has written the textbook, Nutritional Epidemiology, published by Oxford University Press, now in its third edition. He also has written four books for the general public. Dr Willett is the most cited nutritionist internationally.  He is a member of the National Academy of Medicine of the National Academy of Sciences and the recipient of many national and international awards for his research.


With thanks to our sponsors, the Burdett Trust for Nursing and Cancer Research UK.

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