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A reported today in JAMA Network Open looks at geographic variation in social determinants of health in the continental U.S. and found that four indices accounted for 71% of the variance in 2014. “The modeling of SDOH as multivariate indices rather than as a singular deprivation index may better capture the complexity and spatial heterogeneity underlying SDOH,” the authors said. “During a time of increased attention to SDOH, this analysis may provide actionable information for key stakeholders with respect to the focus of interventions.” Jay Bhatt, D.O., AHA senior vice president and chief medical officer, was a co-author of the study. For more on the study, visit .