Dataset Information

SARS-CoV-2 Exposures of Healthcare Workers from Primary Care, Long-Term Care Facilities and Hospitals: A Nationwide Matched Case-Control Study.

ABSTRACT:

Objectives

This study assessed the roles of various exposures and personal protective equipment (PPE) use on healthcare workers'risk (HCWs) of COVID-19 working in primary care, long-term-care facilities or hospitals.

Methods

We conducted a matched case-control (1:1) study (10 April-9 July 2021). Cases (HCWs with confirmed COVID-19) and controls (HCWs without any COVID-19-positive test or symptoms) were invited by email to complete an online questionnaire on their exposures and PPE use over the 10-day period preceding inclusion. Risk factors were analyzed using multivariable conditional logistic regression.

Results

A total of 2076 cases and 2076 matched controls were included. The analysis retained exposure to an infected person outside work (adjusted odd ratio, 19.9 [95% confidence intervaI, 12.4-31.9]), an infected colleague (2.26 [1.53-3.33]) or COVID-19 patients (2.37 [1.66-3.40]), as independent predictors of COVID-19 in HCWs, while partial (0.30 [0.22-0.40]) or complete (0.19 [0.14-0.27]) immunization was protective. Eye protection (0.57 [0.37-0.87]) and wearing a gown (0.58 [0.34-0.97]) for COVID-19 patient care were protective, while wearing an apron slightly increased the risk of infection (1.47 [1.00-2.18]). Protection of N95 respirators and surgical facemasks did not differ. Compared to medical professions, being a nurse (3.79 [2.50-5.76]) or a nurse's aide (9.08 [5.30-15.5]) was associated with COVID-19. Results were consistent across all healthcare settings.

Conclusions

HCWs were more likely to get COVID-19 in their personal sphere than during occupational activities. Our results suggest that eye protection for HCWs during patient care should be actively promoted.

SUBMITTER: Belan M

PROVIDER: S-EPMC9239704 | biostudies-literature |

REPOSITORIES: biostudies-literature

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