Age-adjusted percent of people age 18 and over with self-reported low back pain during the last three months.
Low back pain lasting less than a day is not counted.
Estimates are age-adjusted to the year 2000 standard population using five age groups: 18-44 years, 45-54 years, 55-64 years, 65-74 years, and 75 years and over. The youngest age group for the sub-populations Less than High School Degree [Age 25+], High School Degree [Age 25+], and Some College or More [Age 25+] is 25-44 years instead of 18-44 years.
In 2002, there were substantial changes in the racial categories used by the Census Bureau. Time series by race that include data from both racial classifications should be interpreted with care. More details on the changes in racial categories.