Publication:
COVID-19, social determinants of transmission in the home. A population-based study

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Date
2024-02-23
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Authors
Soriano López, Jesús ; Gómez Gómez, Jesús Humberto ; García-Pina, Rocío ; Sánchez-Rodríguez, Inés ; Bonilla-Escobar, Bertha A. ; Salmerón, Diego ; Suárez Rodríguez, Berta ; Ballesta Ruiz, Mónica ; Chirlaque López, María Dolores
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Publisher
Oxford University Press
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Ciencias Sociosanitarias
DOI
https://doi.org/10.1093/eurpub/ckae016
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©2024 The Author(s). This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. This document is the Published, version of a Published Work that appeared in final form in European Journal of Public Health. To access the final edited and published work see https://doi.org/10.1093/eurpub/ckae016
Abstract
Studying transmission within the home is essential to understand the transmission dynamics of numerous infectious diseases. For Coronavirus Disease-2019 (COVID-19), transmission within the home constitutes the majority exposure context. The risk of infection in this setting can be quantified by the household/intra- family secondary attack rate (SAR). In the literature, there are discrepancies in these values and little information about its social determinants. The aim of this study was to investigate transmission in the home by analyzing the influence of occupational social class, country of origin andgender/sex. Methods: This was a retrospective cohort study of a population registry of cohabiting contacts with COVID-19 cases diagnosed from 15 June to 23 December 2020, in the Murcia Region. The household SAR was analyzed considering the characteristics of the primary case (sex, age, symptoms, occupational social class, country of origin and number of people in the household) and contact (age and sex) using a multilevel binary regression model. Results: Among the 37 727 contacts included, the intra-family SAR was 39.1%. The contacts of confirmed primary cases in the migrant population (Africa and Latin America) had higher attack rates, even after adjusting for the other variables. Older age and female sex were independent risk factors for contracting Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) within the home. Conclusion: There was greater intra-domiciliary transmission among immigrants, likely related to the conditions of the home andsituation of social vulnerability. Women were more likely to be infected by transmission from acohabiting infected individual.
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Citation
European Journal of Public Health, Vol. 34, No. 3, 427–434
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http://hdl.handle.net/10201/142360
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