Work at inpatient care units is associated with an increased risk of SARS-CoV-2 infection; a cross-sectional study of 8679 healthcare workers in Sweden

  • Anna-Karin Lidström Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
  • Fredrik Sund Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
  • Bo Albinsson Laboratory of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden http://orcid.org/0000-0002-1184-9267
  • Johan Lindbäck Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden http://orcid.org/0000-0002-6473-8798
  • Gabriel Westman Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
Keywords: Covid-19, healthcare workers, IgG, SARS-CoV-2, transmission

Abstract

Background: During the Covid-19 pandemic, the protection of healthcare workers has been in focus throughout the world, but the availability and quality of personal protective equipment has at times and in some settings been suboptimal.

Materials and methods: A total of 8679 healthcare workers and healthcare support staff in the county of Uppsala, north of Stockholm, were included in this cross-sectional study. All subjects were analysed for IgG anti-SARS-CoV-2, and predictors for positive serostatus were analysed in a logistic regression model including demographic parameters and self-reported employment characteristics.

Results: Overall, 577 (6.6%) were classified as seropositive, with no statistically significant differences between healthcare workers and support staff. Among healthcare workers, age (OR 0.987 per year, 95% CI 0.980–0.995), time to sampling (OR 1.019 per day, 95% CI 1.004–1.035), and employment at an outpatient care unit (OR 0.620, 95% CI 0.487–0.788) were statistically significantly associated with risk of infection. Covid-19 specific units were not at particular risk, compared to other units with comparable characteristics and staff demography.

Conclusions: Our findings indicate that SARS-CoV-2 transmission is related to inpatient healthcare work, and illustrate the need for a high standard of basic hygiene routines in all inpatient care settings.

Downloads

Download data is not yet available.
Published
2020-07-20
How to Cite
Lidström, A.-K., Sund, F., Albinsson, B., Lindbäck, J., & Westman, G. (2020). Work at inpatient care units is associated with an increased risk of SARS-CoV-2 infection; a cross-sectional study of 8679 healthcare workers in Sweden. Upsala Journal of Medical Sciences, 125(4), 305–310. https://doi.org/10.1080/03009734.2020.1793039
Section
Original Articles