Table 3.
Characteristics of the adult population by lowest and highest quintiles of adult nephrology workforce density based on AMA-PPD file
| Characteristic | Average % or value amongst states in lowest quintile of adult nephrology workforce density (± SD) | Average % or value amongst states in highest quintile of adult nephrology workforce density (± SD) | P-value 1 |
|---|---|---|---|
| State population characteristics | |||
| Obesity | 25.7 ± 2.3 | 25.4 ± 3.0 | 0.97 |
| Age ≥ 65 years* | 12.6 ± 2.4 | 13.8 ± 0.96 | 0.40 |
| African American* | 2.8 ± 2.4 | 15.9 ± 10.2 | <0.001 |
| Rural population* | 34.5 ± 13.4 | 16.8 ± 11.3 | 0.008 |
| Diabetes | 7.2 ± 1.2 | 7.9 ± 1.2 | 0.12 |
| Incident ESRD population characteristics | |||
| Age ≥ 65 years | 51.2 ± 5.7 | 54.1 ± 5.9 | 0.45 |
| African American | 4.7 ± 4.6 | 28.2 ± 18.5 | 0.004 |
| Diabetes as cause of ESRD | 45.8 ± 8.1 | 41.3 ± 4.3 | 0.26 |
| Congestive heart failure | 28.1 ± 8.1 | 36.8 ± 4.8 | 0.02 |
| Medicaid | 18.9 ± 6.2 | 22.7 ± 6.3 | 0.21 |
| Mean hemoglobin (g/dL) | 10.2 ± 0.1 | 9.9 ± 0.1 | <0.001 |
| Mean albumin (g/dL) | 3.2 ± 0.1 | 3.1 ± 0.1 | 0.03 |
1Wilcoxin rank sum test.
*Percentages based on total state population.