Colorectal cancer screening - United States, 2002, 2004, 2006, and 2008.

 Overall use of colorectal cancer tests increased from 2002 to 2008.  People who were 65 years of age or older had a greater proportion of colorectal cancer test use than people between the ages of 50 and 64.  The proportion who reported having a colorectal cancer screening test within the recommended intervals was greater for non-Hispanic white people compared with people of any other race or ethnicity.  The difference between the white and black populations was substantially less than the difference between whites and people of other races and ethnicities.  Men had a greater proportion of colorectal cancer screening test use than women.  People who reported having a disability had a higher proportion of colorectal cancer screening test use than those without disabilities.  People who had health insurance had a higher proportion of colorectal cancer screening test use than those without health insurance.  People with higher education levels had a higher proportion of colorectal cancer screening test use than those with less education.  People with lower household income had a lower proportion of colorectal cancer screening test use than those with higher household income.  Among state quartiles, reported screening rates decreased with increasing levels of poverty.