A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum
Abstract Inspired by the POLYMOD study, an epidemiological survey was conducted in June 2021 in one of the most densely populated and socially vulnerable sectors of Belo Horizonte (Brazil). A sample of 1000 individuals allowed us to identify, within a 24-hour period, the rates of social contacts by...
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Estudos Populacionais
2023-08-01
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| Series: | Revista Brasileira de Estudos de População |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-30982023000100163&tlng=en |
| _version_ | 1827865745230397440 |
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| author | Sílvio Segundo Salej Higgins Adrian Pablo Hinojosa Luna Reinaldo Onofre dos Santos Andreia Maria Pinto Rabelo Maíra Soalheiro Vanessa Cardoso Ferreira |
| author_facet | Sílvio Segundo Salej Higgins Adrian Pablo Hinojosa Luna Reinaldo Onofre dos Santos Andreia Maria Pinto Rabelo Maíra Soalheiro Vanessa Cardoso Ferreira |
| author_sort | Sílvio Segundo Salej Higgins |
| collection | DOAJ |
| description | Abstract Inspired by the POLYMOD study, an epidemiological survey was conducted in June 2021 in one of the most densely populated and socially vulnerable sectors of Belo Horizonte (Brazil). A sample of 1000 individuals allowed us to identify, within a 24-hour period, the rates of social contacts by age groups, the size and frequency of clique in which respondents participated, as well as other associated sociodemographic factors (number of household residents, location of contact, use of public transportation, among others). Data were analyzed in two phases. In the first one, results between two SIR models that simulated an eight-day pandemic process were compared. One included parameters adjusted from observed contact rates, the other operated with parameters adjusted from projected rates for Brazil. In the second phase, by means of a log-lin regression, we modeled the main social determinants of contact rates, using clique density as a proxy variable. The data analysis showed that family size, age, and social circles are the main covariates influencing the formation of cliques. It also demonstrated that compartmentalized epidemiological models, combined with social contact rates, have a better capacity to describe the epidemiological dynamics, providing a better basis for mitigation and control measures for diseases that cause acute respiratory syndromes. |
| first_indexed | 2024-03-12T14:53:38Z |
| format | Article |
| id | doaj.art-62ca88715a764b829f44fd7d3ebdf99f |
| institution | Directory Open Access Journal |
| issn | 1980-5519 |
| language | English |
| last_indexed | 2024-03-12T14:53:38Z |
| publishDate | 2023-08-01 |
| publisher | Associação Brasileira de Estudos Populacionais |
| record_format | Article |
| series | Revista Brasileira de Estudos de População |
| spelling | doaj.art-62ca88715a764b829f44fd7d3ebdf99f2023-08-15T07:42:33ZengAssociação Brasileira de Estudos PopulacionaisRevista Brasileira de Estudos de População1980-55192023-08-014010.20947/s0102-3098a0241A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slumSílvio Segundo Salej Higginshttps://orcid.org/0000-0002-3573-0578Adrian Pablo Hinojosa Lunahttps://orcid.org/0000-0002-8844-3062Reinaldo Onofre dos Santoshttps://orcid.org/0000-0001-6762-9100Andreia Maria Pinto Rabelohttps://orcid.org/0000-0002-4015-4026Maíra Soalheirohttps://orcid.org/0000-0003-4099-4532Vanessa Cardoso Ferreirahttps://orcid.org/0000-0001-7011-7755Abstract Inspired by the POLYMOD study, an epidemiological survey was conducted in June 2021 in one of the most densely populated and socially vulnerable sectors of Belo Horizonte (Brazil). A sample of 1000 individuals allowed us to identify, within a 24-hour period, the rates of social contacts by age groups, the size and frequency of clique in which respondents participated, as well as other associated sociodemographic factors (number of household residents, location of contact, use of public transportation, among others). Data were analyzed in two phases. In the first one, results between two SIR models that simulated an eight-day pandemic process were compared. One included parameters adjusted from observed contact rates, the other operated with parameters adjusted from projected rates for Brazil. In the second phase, by means of a log-lin regression, we modeled the main social determinants of contact rates, using clique density as a proxy variable. The data analysis showed that family size, age, and social circles are the main covariates influencing the formation of cliques. It also demonstrated that compartmentalized epidemiological models, combined with social contact rates, have a better capacity to describe the epidemiological dynamics, providing a better basis for mitigation and control measures for diseases that cause acute respiratory syndromes.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-30982023000100163&tlng=enEpidemiological surveyPOLYMODSocial contact rateCliques |
| spellingShingle | Sílvio Segundo Salej Higgins Adrian Pablo Hinojosa Luna Reinaldo Onofre dos Santos Andreia Maria Pinto Rabelo Maíra Soalheiro Vanessa Cardoso Ferreira A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum Revista Brasileira de Estudos de População Epidemiological survey POLYMOD Social contact rate Cliques |
| title | A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum |
| title_full | A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum |
| title_fullStr | A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum |
| title_full_unstemmed | A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum |
| title_short | A study on social contact rates relevant for the spread of infectious diseases in a Brazilian slum |
| title_sort | study on social contact rates relevant for the spread of infectious diseases in a brazilian slum |
| topic | Epidemiological survey POLYMOD Social contact rate Cliques |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-30982023000100163&tlng=en |
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