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Published on: November 10, 2023
Potential determinants of the quantity and duration of COVID-19 outbreaks in geriatric long-term care facilities
1Institute for Health Services Research and Clinical Epidemiology, Philipps-Universität Marburg, Marburg, Germany. janis.evers@uni-marburg.de.
Background:
We analyzed potential factors for the number and duration of COVID-19 outbreaks in nursing homes based on routine and structural data.
Methods:
All outbreaks during 03/2020-01/2022 in N = 687 of a total of 879 geriatric long-term care facilities (LTCFs) in the Federal State of Hesse, Germany were analyzed using t-tests and logistic regressions in a retrospective cohort study.
Results:
Larger LTCFs have more (+ 1.57, p = .009) and longer outbreaks (+ 10.04 days, p > .001). A higher proportion of registered nurses reduces the number (-0.1, p = .036) and duration (-6.02 days, p > .001) of outbreaks. Single-bed rooms provide less duration of outbreaks (-4.5, p = .004). A higher proportion of infected residents (+ 24.26 days, p < .001) and staff (+ 22.98 days, p < .001) prolong outbreaks the most. LTCFs in areas with intermediate population density have an increased risk of prolonged outbreaks (OR: 1.537, p = .036).
Conclusions:
To prevent outbreaks and shorten their duration, LTCFs should increase the proportion of registered nurses and single-bed rooms, and control staff infections.
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