Design Justice in Action: Co-Developing an HIV and Substance Use Linkage Intervention with Young Adults Involved in the Carceral System.

To redress systemically biased approaches to health interventions and service design, it is critical that public health researchers employ frameworks that are intentional in their approach to recognizing and working against existing power structures to advance equity in public health. Design Justice represents an approach to design which centers marginalized people and uses collaborative design processes to address community needs and challenges. The purpose of this paper is to describe our process for applying a Design Justice framework to Project XX. Project XX is a study funded by XX designed to develop and test an eHealth-enhanced peer navigation intervention to improve engagement in substance use and HIV-related services for young adults with recent carceral system involvement. We situate the project within the theoretical foundation of Design Justice and community-engaged research, describe its development and implementation, and analyze the application of Design Justice principles from an implementation science perspective by overlaying them with Stanford University's Center for Dissemination and Implementation's five key dimensions of dissemination and implementation methods. We highlight successes, challenges, and lessons learned, offering recommendations to guide more equitable and inclusive approaches for future research and practice.