Table 2. Dialysis facility rating and surrounding area-level characteristics.
| Variable | N | Mean (SD) | Median (IQR) |
|---|---|---|---|
| Facility Star Rating (primary outcome) | 6032 | 3.34 (1.1) | 3 (3–4) |
| QIP Score (secondary outcome) | 5998 | 68.7 (11.3) | 69 (62–76) |
| Percentage Below Federal Poverty Level | 6628 | 18.25 (10.2) | 16.6 (10.5–23.8) |
| Household Income (US $) | 6627 | 51,599 (20,360) | 46,950 (37,788–61,346) |
| Percentage Black Population | 6634 | 17.7 (22.1) | 7.9 (2.4–24.6) |
| Percentage Hispanic Population | 6634 | 16.6 (21.3) | 7.4 (3.1–20.8) |
SD: standard deviation; IQR: interquartile range; QIP: Quality Incentive Program. QIP file available in the Dialysis Facility Compare website includes 6245 records/provider IDs but 5998 have non-missing QIP scores.