Context matters: Setting-level influences on active program participation and HIV risk reduction among urban youth

Jennifer Sarah Tiffany, PhD1, Deinera Exner-Cortens, MPH, MA2, Mary Maley, MS1, Sara Birnel Henderson3 and John Eckenrode, PhD1
(1)Bronfenbrenner Center for Translational Research, Cornell University, Ithaca, NY, (2)Cornell University, Ithaca, NY, (3)Cornell University, New York, NY