Haley, William E.; Gilbert, Olivia N.; Riley, Robert F.; Newman, Jill C.; Roumie, Christianne L.; Whittle, Jeffrey; Kronish, Ian M.; Tamariz, Leonardo; Wiggers, Alan; Morisky, Donald E.; Conroy, Molly B.; Kovalik, Eugene; Kressin, Nancy R.; Muntner, Paul; Goff Jr., David C.; SPRINT Study Research Group