Silver Book Fact
In 2006, 42% of Americans age 75 years and over living in the community reported having a limitation in their usual activity due to a chronic condition, compared with 13% of people 45-54 years of age.
Centers for Disease Control and Prevention. Health, United States, 2008. Hyattsville, MD: National Center for Health Statistics; http://www.cdc.gov/nchs/data/hus/hus08.pdf