Table 2.
Occurrence of COVID-19 Cases and Deaths per 1000 Resident-Weeks Among 1-, 2-, 3-, and 4-Star NHs Compared With 5-Star NHs, May 25–December 20, 2020
| CMS Overall Star Rating |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
2 |
3 |
4 |
5 |
||||||
| IRR | 95% CI | IRR | 95% CI | IRR | 95% CI | IRR | 95% CI | IRR | 95% CI | |
| COVID-19 cases per 1000 resident-weeks | ||||||||||
| Model 1 | 1.31 | 1.23, 1.39 | 1.22 | 1.16, 1.30 | 1.26 | 1.19, 1.34 | 1.17 | 1.11, 1.24 | 1 | — |
| Model 2 | 1.28 | 1.20, 1.36 | 1.20 | 1.13, 1.27 | 1.23 | 1.16, 1.30 | 1.14 | 1.08, 1.21 | 1 | — |
| Model 3 | 1.25 | 1.18, 1.33 | 1.18 | 1.11, 1.24 | 1.19 | 1.13, 1.26 | 1.12 | 1.06, 1.18 | 1 | — |
| Model 4 | 1.17 | 1.10, 1.25 | 1.13 | 1.06, 1.19 | 1.15 | 1.09, 1.22 | 1.09 | 1.03, 1.15 | 1 | — |
| COVID-19 deaths per 1000 resident-weeks | ||||||||||
| Model 1 | 1.30 | 1.20, 1.41 | 1.20 | 1.12, 1.30 | 1.26 | 1.17, 1.35 | 1.12 | 1.05, 1.20 | 1 | — |
| Model 2 | 1.27 | 1.17, 1.37 | 1.18 | 1.10, 1.27 | 1.22 | 1.13, 1.31 | 1.10 | 1.02, 1.18 | 1 | — |
| Model 3 | 1.28 | 1.18, 1.39 | 1.18 | 1.10, 1.27 | 1.21 | 1.12, 1.30 | 1.09 | 1.02, 1.17 | 1 | — |
| Model 4 | 1.26 | 1.16, 1.37 | 1.17 | 1.09, 1.26 | 1.20 | 1.11, 1.29 | 1.08 | 1.01, 1.16 | 1 | — |
Model 1 is unadjusted; model 2 adjusts for total county-level COVID-19 cases minus county-level cases at NHs per 100,000 population in 2020; model 3 further adjusts for county-level median household income, percentage less than high school education, percentage non-Hispanic white, percentage aged ≥65 years, and designation as a Medically Underserved Area; model 4 additionally adjusts for NH for-profit status and number of certified beds.