Social Distancing, Mask Use, and Transmission of Severe Acute Respiratory Syndrome Coronavirus 2, Brazil, April-June 2020
We assessed the associations of social distancing and mask use with symptomatic, laboratory-confirmed severe acute respiratory syndrome coronavirus 2 infection in Porto Alegre, Brazil. We conducted a population-based case-control study during April-June 2020. Municipal authorities furnished case-patients, and controls were taken from representative household surveys. In adjusted logistic regression analyses of 271 case-patients and 1,396 controls, those reporting moderate to greatest adherence to social distancing had 59% (odds ratio [OR] 0.41, 95% CI 0.24-0.70) to 75% (OR 0.25, 95% CI 0.15-0.42) lower odds of infection. Lesser out-of-household exposure (vs. going out every day all day) reduced odds from 52% (OR 0.48, 95% CI 0.29-0.77) to 75% (OR 0.25, 95% CI 0.18-0.36). Mask use reduced odds of infection by 87% (OR 0.13, 95% CI 0.04-0.36). In conclusion, social distancing and mask use while outside the house provided major protection against symptomatic infection.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Emerging infectious diseases - 27(2021), 8 vom: 03. Aug., Seite 2135-2143 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gonçalves, Marcelo Rodrigues [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 23.07.2021 Date Revised 07.08.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.3201/eid2708.204757 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM326353704 |
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| 520 | |a We assessed the associations of social distancing and mask use with symptomatic, laboratory-confirmed severe acute respiratory syndrome coronavirus 2 infection in Porto Alegre, Brazil. We conducted a population-based case-control study during April-June 2020. Municipal authorities furnished case-patients, and controls were taken from representative household surveys. In adjusted logistic regression analyses of 271 case-patients and 1,396 controls, those reporting moderate to greatest adherence to social distancing had 59% (odds ratio [OR] 0.41, 95% CI 0.24-0.70) to 75% (OR 0.25, 95% CI 0.15-0.42) lower odds of infection. Lesser out-of-household exposure (vs. going out every day all day) reduced odds from 52% (OR 0.48, 95% CI 0.29-0.77) to 75% (OR 0.25, 95% CI 0.18-0.36). Mask use reduced odds of infection by 87% (OR 0.13, 95% CI 0.04-0.36). In conclusion, social distancing and mask use while outside the house provided major protection against symptomatic infection | ||
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| 700 | 1 | |a Dos Reis, Rodrigo Citton Padilha |e verfasserin |4 aut | |
| 700 | 1 | |a Tólio, Rodrigo Pedroso |e verfasserin |4 aut | |
| 700 | 1 | |a Pellanda, Lucia Campos |e verfasserin |4 aut | |
| 700 | 1 | |a Schmidt, Maria Inês |e verfasserin |4 aut | |
| 700 | 1 | |a Katz, Natan |e verfasserin |4 aut | |
| 700 | 1 | |a Mengue, Sotero Serrate |e verfasserin |4 aut | |
| 700 | 1 | |a Hallal, Pedro C |e verfasserin |4 aut | |
| 700 | 1 | |a Horta, Bernardo L |e verfasserin |4 aut | |
| 700 | 1 | |a Silveira, Mariangela Freitas |e verfasserin |4 aut | |
| 700 | 1 | |a Umpierre, Roberto Nunes |e verfasserin |4 aut | |
| 700 | 1 | |a Bastos-Molina, Cynthia Goulart |e verfasserin |4 aut | |
| 700 | 1 | |a Souza da Silva, Rodolfo |e verfasserin |4 aut | |
| 700 | 1 | |a Duncan, Bruce B |e verfasserin |4 aut | |
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