Group 1, Less than a high school diploma.
Item 1, Metropolitan 14.2.
Item 2, Nonmetropolitan 13.1.
Group 2, High school diploma or equivalent.
Item 1, Metropolitan 9.9.
Item 2, Nonmetropolitan 7.8.
Group 3, Some college or associate's degree.
Item 1, Metropolitan 8.2.
Item 2, Nonmetropolitan 6.6.
Group 4, Bachelor's degree or higher.
Item 1, Metropolitan 4.4.
Item 2, Nonmetropolitan 3.4.