Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection

Abstract Participants judged the risk of an infection during a face to face conversation at different interpersonal distances from a SARS-CoV-2 infected person who wore a face mask or not, and in the same questionnaire answered questions about Corona related issues. Keeping a distance to an infected...

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Main Authors: Ola Svenson, Freja Isohanni, Ilkka Salo, Torun Lindholm
Format: Article
Language:English
Published: Nature Portfolio 2024-01-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-52711-2
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author Ola Svenson
Freja Isohanni
Ilkka Salo
Torun Lindholm
author_facet Ola Svenson
Freja Isohanni
Ilkka Salo
Torun Lindholm
author_sort Ola Svenson
collection DOAJ
description Abstract Participants judged the risk of an infection during a face to face conversation at different interpersonal distances from a SARS-CoV-2 infected person who wore a face mask or not, and in the same questionnaire answered questions about Corona related issues. Keeping a distance to an infected person serves as a protective measure against an infection. When an infected person moves closer, risk of infection increases. Participants were aware of this fact, but underestimated the rate at which the risk of infection increases when getting closer to an infected person, e.g., from 1.5 to 0.5 m (perceived risk increase = 3.33 times higher, objective = 9.00 times higher). This is alarming because it means that people can take risks of infection that they are not aware of or want to take, when they approach another possibly virus infected person. Correspondingly, when an infected person moves away the speed of risk decrease was underestimated, meaning that people are not aware of how much safer they will be if they move away from an infected person. The perceived risk reducing effects of a face mask were approximately correct. Judgments of infection risk at different interpersonal distances (with or without a mask) were unrelated to how often a person used a mask, avoided others or canceled meetings during the COVID-19 pandemic. Greater worry in general and in particular over COVID-19, correlated positively with more protective behavior during the pandemic, but not with judgments of infection risk at different interpersonal distances. Participants with higher scores on a cognitive numeracy test judged mask efficiency more correctly, and women were more worried and risk avoiding than men. The results have implications for understanding behavior in a pandemic, and are relevant for risk communications about the steep increase in risk when approaching a person who may be infected with an airborne virus.
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spelling doaj.art-abb5a6795c77488b94e555fbf0f565322024-03-05T16:27:49ZengNature PortfolioScientific Reports2045-23222024-01-011411910.1038/s41598-024-52711-2Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infectionOla Svenson0Freja Isohanni1Ilkka Salo2Torun Lindholm3Department of Psychology, Stockholm UniversityDepartment of Psychology, Stockholm UniversityDepartment of Psychology, Lund UniversityDepartment of Psychology, Stockholm UniversityAbstract Participants judged the risk of an infection during a face to face conversation at different interpersonal distances from a SARS-CoV-2 infected person who wore a face mask or not, and in the same questionnaire answered questions about Corona related issues. Keeping a distance to an infected person serves as a protective measure against an infection. When an infected person moves closer, risk of infection increases. Participants were aware of this fact, but underestimated the rate at which the risk of infection increases when getting closer to an infected person, e.g., from 1.5 to 0.5 m (perceived risk increase = 3.33 times higher, objective = 9.00 times higher). This is alarming because it means that people can take risks of infection that they are not aware of or want to take, when they approach another possibly virus infected person. Correspondingly, when an infected person moves away the speed of risk decrease was underestimated, meaning that people are not aware of how much safer they will be if they move away from an infected person. The perceived risk reducing effects of a face mask were approximately correct. Judgments of infection risk at different interpersonal distances (with or without a mask) were unrelated to how often a person used a mask, avoided others or canceled meetings during the COVID-19 pandemic. Greater worry in general and in particular over COVID-19, correlated positively with more protective behavior during the pandemic, but not with judgments of infection risk at different interpersonal distances. Participants with higher scores on a cognitive numeracy test judged mask efficiency more correctly, and women were more worried and risk avoiding than men. The results have implications for understanding behavior in a pandemic, and are relevant for risk communications about the steep increase in risk when approaching a person who may be infected with an airborne virus.https://doi.org/10.1038/s41598-024-52711-2
spellingShingle Ola Svenson
Freja Isohanni
Ilkka Salo
Torun Lindholm
Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
Scientific Reports
title Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
title_full Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
title_fullStr Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
title_full_unstemmed Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
title_short Airborne SARS-CoV2 virus exposure, interpersonal distance, face mask and perceived risk of infection
title_sort airborne sars cov2 virus exposure interpersonal distance face mask and perceived risk of infection
url https://doi.org/10.1038/s41598-024-52711-2
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