1. Behavioral Convergence in Extramarital Sex in the United States • Yanyi Djamba , California Department of Public Health; Sitawa R. Kimuna, East Carolina University.

2. How and What Do Women Learn About Contraception? A Latent Class Analysis of Reproductive-Age Women in Delaware and Maryland. • Fatima Zahra , University of Maryland; Monica Caudillo, University of Maryland; Michael S. Rendall, University of Maryland.

3. HIV Incidence Among Older Adults in a Rural South African Setting: 2010–2015 • Francesc Gomez-Olive , Harvard University; Brian Houle, Australian National University; Molly S. Rosenberg, Indiana University, Bloomington; Sanyu Mojola, Princeton University; Samuel J. Clark, The Ohio State University; Chodziwadziwa Kabudula, University of the Witwatersrand; Nicole Angotti, American University; Enid Schatz, University of Missouri, Columbia; Kathleen Kahn, University of the Witwatersrand; Jane Menken, University of Colorado Boulder; Till Barnighausen, Harvard University.

4. Assessing the Feasibility of a Life History Calendar to Measure HIV Risk and Health in Older South Africans • Enid Schatz , University of Missouri, Columbia; Lucia C. Knight, London School of Hygiene and Tropical Medicine (LSHTM); Sanyu Mojola, Princeton University.