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Most people share genetic test results with relatives even if the findings are normal
Family communication in a diverse population
CHARM study team (2023). Most people share genetic test results with relatives even if the findings are normal: Family communication in a diverse population. Genetics in Medicine, 25(11), 100923. Article 100923. https://doi.org/10.1016/j.gim.2023.100923
PURPOSE: With increasing utilization of genetic testing, sharing genetic information can become part of general family health communication while providing biological relatives with important information about their own genetic risk. Importantly, little is known about motivations for and barriers to family communication of genetic information in historically underserved populations.
METHODS: Using mixed methods, we explored patient experiences with family communication in a study population of English- and Spanish-speaking adults aged 18-49 years enriched for participants from historically underserved backgrounds. Risk screening for hereditary cancer guided genetic testing for cancer risk genes and other medically actionable findings.
RESULTS: Most participants overall (91%), including most with normal findings (89%), shared or planned to share their results with relatives. Common motivations for sharing results were to give relatives information about their genetic risk and because the participant thought the results were interesting. Reasons for not sharing were limited contact with relatives, perceptions of limited clinical utility for relatives, and concern that discussion of genetic information was stigmatized or taboo.
CONCLUSION: Results demonstrate high rates of sharing genetic information, indicate motivations for sharing go beyond facilitating genetic testing for relatives, and suggest general willingness to share genetic information as part of family health communication.
