Silver Book Fact
More than 1/2 of family caregivers were providing help to spouses or parents with 3 or more activities of daily living (ADL) disabilities in 1999, up about 5% from 1994.
Spillman B, Black K. Staying the Course: Trends in family caregiving. Washington, DC: AARP; 2005. http://assets.aarp.org/rgcenter/il/2005_17_caregiving.pdf