2009 National Healthcare Quality and Disparities Reports
a Negative/poor refers to household incomes below the Federal poverty line; near poor/low, the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over.
DSU - Data do not meet the criteria for statistical reliability, data quality, or confidentiality.
Key: SE: standard error.
Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Health and Nutrition Examination Survey.