Table 3.
Unit Characteristics According to the Prevalence of COVID-19 Infection
| High Burden Units |
Moderate Burden Units |
Low Burden Units |
ANOVA P Value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Unit A | Unit B | Unit C | Unit D | Unit E | Unit F | Unit G | Unit H | ||
| COVID-19 prevalence | 38/42 (90.5) | 33/44 (75.0) | 36/52 (69.2) | 29/56 (51.8) | 5/29 (17.2) | 4/44 (9.1) | 1/60 (1.7) | 0/62 (0.0) | <.001 |
| Patient Characteristics | |||||||||
| Age (mean ± SD) | 83.8 ± 7.6 | 82.6 ± 9.9 | 86.3 ± 9.7 | 87.0 ± 10.2 | 88.3 ± 7.4 | 82.6 ± 11.2 | 91.5 ± 5.1 | 90.0 ± 5.7 | <.001 |
| Male | 55.0% | 43.2% | 37.3% | 21.4% | 42.9% | 31.8% | 28.8% | 25.8% | .001 |
| Severe cognitive impairment | 43.6% | 7.1% | 14.6% | 13.0% | 20.0% | 19.5% | 12.3% | 15.3% | <.001 |
| No. of independent ADLs | 1.47 | 2.47 | 1.58 | 1.67 | 2.19 | 1.40 | 1.47 | 1.33 | .047 |
| Bowel incontinence | 66.7% | 53.5% | 44.4% | 22.2% | 22.2% | 51.2% | 19.3% | 23.3% | <.001 |
| Physical behaviors | 48.7% | 4.7% | 6.0% | 11.1% | 7.4% | 25.6% | 3.5% | 13.3% | <.001 |
| Wandering | 43.6% | 9.3% | 24.0% | 5.6% | 7.4% | 27.9% | 5.3% | 5.0% | <.001 |
| Staff Residence | |||||||||
| Proportion of staff members living in communities with high rates of COVID-19∗(n/N, %) | 29/37 (78.4) | 30/38 (79.0) | 43/49 (87.8) | 44/54 (81.5) | 30/35 (85.7) | 52/58 (89.7) | 17/49 (34.7) | 19/48 (39.6) | <.001 |
ADL, activities of daily living; ANOVA, analysis of variance; SD, standard deviation.
∗
High rate defined as ≥90th percentile for the state of Massachusetts (1277 cases/100,000 people), as reported by Massachusetts and Boston DPH as of May 6, 2020.