Global Diet Quality Score (GDQS)

The GDQS is a novel food-based metric of diet quality developed by a team of international investigators and collaborators analyzing cross-sectional and cohort datasets from around the world.
Learn about the GDQS
Stakeholder Meeting (September 1, 2020). This meeting included presentations detailing the methods used to develop the GDQS, preliminary results of GDQS performance, and an opportunity for international stakhoelders to provide feedback to inform next steps in the research.
Launch Event (February 23, 2021). This event included presentations detailing the construction and utility of the final developed metric, detailed results of metric performance, a novel app-based system for collecting GDQS data as part of population-based surveys, and a Q&A period.

Data Collection Options and Tabulation Guidance (April 8, 2021). This technical brief provides an overview of options for collecting GDQS data and scoring the GDQS in analysis of existing 24-hour recall or food-frequency questionnaire data.
A GDQS-focused Journal of Nutrition Supplement, "The Global Diet Quality Score: A New Method to Collect and Analyze Population-Based Data on Diet Quality", is expected to be published in September 2021.