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What is Gravity Project?

A collaborative public-private initiative launched in May 2019 with the goal to develop consensus-driven data standards to support the collection, use, and exchange of data to address the social determinants of health (SDOH).

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Why are SDOH Data Standards like those developed by the Gravity Project important?

Why are
  • Social care data standards establish a shared understanding of critical concepts across the ecosystem in the name of health equity.
  • Social care data standards allow for data visibility, a critical aspect of data justice.
  • Social care data standards create common agreements and methods for exchanging information within communities to allow for analysis and upstream, structural interventions.                              

Processes and Principles.                                                                   Materials

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Quick Links:

For General Information:

Contact Us (at

Join the Gravity Project

Upcoming Meeting Information

Sponsors and Members

Gravity Project Website

Gravity Overview Slides

For Implementation:

Terminology Value Sets

Clinical Care STU2 FHIR IG

Pilots Workstream

For Build:

Initial Social Risk Data Set Specification


Program Management Office (PMO)

User Profile

User Profile

User Profile

User Profile

User Profile

Executive Committee (EC) Members

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Gravity Project Website vs Confluence 

The Gravity Project website exists as a public communication tool to highlight Gravity's work. The Gravity Project Confluence is a fundamental workspace housing our labor and deliverables.

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Civitas Networks for Health in Partnership with Gravity Project® Announces Four New Pilot Sites to Further Implementation of SDOH Data Standards - April 11, 2023

The Gravity Project Pilots Workstream is pleased to work with our partners on this initiative to improve accessibility, knowledge, and capabilities for exchange of Gravity terminology standards with a focus on public health and health equity use cases. Please see here for an announcement of the Four New Pilot Sites.

Gravity Project Refreshes Strategic Goals and Transitions PMO – March 31, 2023

Seeherefor an announcement and update from the Gravity Project, including refreshed Strategic Goals, transition of the Program Management Office from EMI Advisors to Point-of-Care Partners (POCP), Technology Workstream Opportunity to Get Engaged with open public calls and upcoming Connectathons, and a reminder on the Gravity Project Pilots Affinity Group meeting series occurring the last Thursday each month.  

New Pilot Partnership:

Civitas Networks for Health in Partnership with Gravity Project Announces Four New Pilot Sites to Further Implementation of SDOH Data Standards

Gravity HL7 FHIR IG STU2 Publication November 21, 2022

The Gravity Project Team is pleased to announce the formal STU2 publication of the HL7 FHIR SDOH Clinical Care Implementation Guide (IG) which can be found here

NIDDK RFA-DK-22-038: Pilot Interventions to Integrate Social Care and Medical Care to Improve Health Equity (R01—Clinical Trial Required), Letter of intent due Sep 19th

This NIDDK Funding Opportunity Announcement will support pilot and feasibility trials to test interventions that involve screening for and addressing adverse SDOH, also called social risks, during a health care visit. The overarching goal of this FOA is to develop pragmatic approaches that can be used in healthcare settings to reduce health disparities in diseases within the mission of NIDDK and achieve health equity, especially among individuals from racial and ethnic minority groups, rural populations, sexual and gender minority groups, and other socioeconomically disadvantaged and medically underserved communities. A letter of intent is due Sep 19. Learn more here.

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Social Media

The Gravity Project is now official on social media! We invite you to follow us on LinkedIn and Twitter. We will be using the social media platforms for relevant project and SDOH data integration related communications. Help us spread the word!

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Project Timeline 

2023 Roadmap coming soon

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Join the Gravity Project!

The success of the Gravity Project depends on the contribution of volunteers who are eager to make rapid progress on the standardization of social determinants of health data.  We need experts to contribute to and validate definitions for SDH related data elements and value sets. Participants are asked to join the project at any time either as a Committed Member or Other Interested Party as part of the HL7 Consensus Process.  To join the project, sign up here.  

  • To check your project membership status, click here.  If you wish to change your membership from Other Interested Party to Committed Member, please send an email request to
  • NOTE:  Both member types can submit comments on project documentation.  However, only Committed Members may vote on final documentation.  If you would like to have voting rights, please change your membership status or join the project as a Committed Member.

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