1. Denotes citation for a study included in EBT analyses.
2. Administration on Aging. A profile of older Americans: 2000. Washington, DC: Department of Health and Human Services; 2000.
3. Older Americans 2000: key indicators of well-being,2000
4. National blueprint for increasing physical activity among adults 50 and older: creating a strategic framework and enhancing organizational capacity for change;J Aging Phys Activity,2001
5. The variation in cost of informal caregiving and formal service use for people with Alzheimer's disease;Harrow;Am J Alzheimer Dis Dement,2004