Recommended measurement protocols for sickle cell disease in the PhenX toolkit: psychosocial factors and social determinants of health

Abstract

Objectives: Consensus Measures for Phenotypes and eXposures (PhenX) Toolkit (https://www.phenxtoolkit.org/) is a web-based catalog of recommended measurement protocols and associated bioinformatics tools to assist with study design and facilitate cross-study data integration and analyses. Before February 2023 (v.44), protocols specific to sickle cell disease did not address key psychosocial factors or social determinants of health that impact care and outcomes. This paper describes the protocol selection process and final recommendations to address this limitation. Methods: To identify protocols for the new collection, the PhenX Sickle Cell Disease Research and Scientific Panel provided a list of scope elements for consideration and assembled a panel with relevant expertise in psychology, behavioral science, hematology, and nursing to form a Psychosocial and Social Determinants of Health Working Group. A consensus process prioritized and identified the scope elements and protocols. The 19 scope elements and related protocols initially selected were shared with the scientific community for public comment, informing final selections. Results: The final 15 recommended protocols assess transition readiness, self-management, impact of early aging, stigma, trust in medical care and research, resilience, spirituality, and stress responses. Another 8 protocols were selected as supplemental information. Sickle cell-relevant social determinants of health protocols were also cross-listed from other PhenX Toolkit Collections. Conclusion: Recommended protocols enhance the existing Sickle Cell Disease Research Collections and the individual and structural Social Determinants of Health Collections in the PhenX Toolkit. Furthermore, the protocols will promote using validated measurement tools to investigate psychosocial factors and social determinants in sickle cell disease.

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