Abstract

ObjectiveTo determine the prevalence of SARS-CoV-2 virus infection among female workers who were restricted to working from home compared with those who continued to attend in-person work.MethodsAs part of national surveillance program, serum samples for SARS-CoV-2 antibody testing and nasopharyngeal swabs for SARS-CoV-2 PCR were obtained on 1636 female school staff and salon/spa workers who were restricted to work remotely (restricted group) and 1190 female health-care workers who continued in-person work (unrestricted group).ResultsSeropositivity rate was 5.1% among the restricted and 22.7% among the unrestricted group (P < 0.0001). Presence of symptoms at baseline (adjusted odds ratio [aOR], 2.88; 95% CI 2.09–3.97), contact with a confirmed case (aOR 2.34; 95% CI 1.37–3.98), and unrestricted work type (aOR 4.71; 95% CI 3.24–6.86) were associated with a higher risk of infection, while increasing age was associated with a lower risk of infection.ConclusionPrevalence of SARS-CoV-2 infection as determined by seropositivity was higher among women who were not subject to workplace restrictions.

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