Explicating the Low Life Expectancy Ranking of the United States by Studying the Mortality History of Cohorts • Vladimir Canudas-Romo, Johns Hopkins University

Multimorbidity Index as a Tool for Projection of Health and Mortality among U.S. Older Adults: Medicare-Based Analysis • Igor Akushevich, Duke University ; Julia Kravchenko, Duke University ; Heather Whitson, Duke University ; Harvey J. Cohen, Duke University

Approaches to Modeling Self-Rated Health in Longitudinal Studies: Best Practices and Recommendations for Multilevel Models • Isaac Sasson, University of Texas at Austin

Beyond "Best Practices": Waiting Times to Life Expectancy Improvements • Sheila Xiao, University of California, Irvine ; Andrew Noymer, University of California, Irvine