Table 1a:

Transplant Rate by County Attributes

Category	Mean Unrelated Donor Transplant Rate
Rural / Urban
Metropolitan (County > 50,000 residents)	8.77%
Micropolitan (County 20,000 – 50,000 residents)	8.93%
Rural (County < 20,000 residents)	7.54%
Poverty Rate
Highest Quartile (most poverty) (22.5% – 40.3% residents below the poverty line)	7.44%
50–75% quartile (17.5% – 22.5% residents below the poverty line)	7.39%
25–50% quartile (12.7% – 17.5% residents below the poverty line)	10.16%
Lowest Quartile (least poverty) (3.2% −12.7% residents below the poverty line)	11.73%
Highest Quartile (most minorities) (34.3% – 84.9% minority residents)	7.17%
50–75% quartile (15.3% – 34.3% minority residents)	8.33%
25–50% quartile (5.3% – 15.3% minority residents)	8.81%
Lowest Quartile (least minorities) (1.1% – 5.3% minority residents)	12.37%
Median Family Size
Highest Quartile (largest families) (Median family size 3.15 – 3.88 persons)	7.84%
50–75% quartile (Median family size 3.03 – 3.15 persons)	8.96%
25–50% quartile (Median family size 2.93 – 3.03 persons)	8.16%
Lowest Quartile (smallest families) (Median family size 2.49 – 2.93 persons)	11.77%