Trends in Assistance with Daily Activities: Racial/Ethnic and Socioeconomic Disparities Persist in the US Older Population

Vicki A. Freedman, Linda G. Martin, Jennifer Cornman, Emily M. Agree, and Robert F. Schoeni, Health at Older Ages: The Causes and Consequences of Declining Disability among the Elderly (University of Chicago Press, 2009), chap. 13, https://www.nber.org/books-and-chapters/health-older-ages-causes-and-consequences-declining-disability-among-elderly/trends-assistance-daily-activities-racialethnic-and-socioeconomic-disparities-persist-us-older.