Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemic

Mayoral, José María; Alonso Caballero, Jordi; Garin Boronat, Olatz, 1979-; Herrador, Zaida; Astray, Jenaro; Baricot, Maretva; Castilla, Jesús; Cantón, Rafael; Castro, Ady; Delgado Rodríguez, Miguel; Ferri, Alicia; Godoy i García, Pere; González Candela, Fernando; Martín, Vicente; Pumarola, Tomás; Quintana, José María; Soldevila, Núria; Tramames, Sonia; Domínguez García, Àngela; CIBERESP Cases and Controls in Pandemic Influenza Working Group

Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemic

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dc.contributor.author Mayoral, José Maríaca
dc.contributor.author Alonso Caballero, Jordica
dc.contributor.author Garin Boronat, Olatz, 1979-ca
dc.contributor.author Herrador, Zaidaca
dc.contributor.author Astray, Jenaroca
dc.contributor.author Baricot, Maretvaca
dc.contributor.author Castilla, Jesúsca
dc.contributor.author Cantón, Rafaelca
dc.contributor.author Castro, Adyca
dc.contributor.author Delgado Rodríguez, Miguelca
dc.contributor.author Ferri, Aliciaca
dc.contributor.author Godoy i García, Pereca
dc.contributor.author González Candela, Fernandoca
dc.contributor.author Martín, Vicenteca
dc.contributor.author Pumarola, Tomásca
dc.contributor.author Quintana, José Maríaca
dc.contributor.author Soldevila, Núriaca
dc.contributor.author Tramames, Soniaca
dc.contributor.author Domínguez García, Àngelaca
dc.contributor.author CIBERESP Cases and Controls in Pandemic Influenza Working Groupca
dc.date.accessioned 2015-04-14T07:11:43Z
dc.date.available 2015-04-14T07:11:43Z
dc.date.issued 2013ca
dc.description.abstract Background: During the 2009 influenza pandemic, a change in the type of patients most often affected by influenza was observed. The objective of this study was to assess the role of individual and social determinants in hospitalizations due to influenza A (H1N1) 2009 infection. Methods: We studied hospitalized patients (cases) and outpatients (controls) with confirmed influenza A (H1N1) 2009 infection. A standardized questionnaire was used to collect data. Variables that might be related to the hospitalization of influenza cases were compared by estimation of the odds ratio (OR) and 95% confidence intervals (CI) and the variables entered into binomial logistic regression models. Results: Hospitalization due to pandemic A (H1N1) 2009 influenza virus infections was associated with non-Caucasian ethnicity (OR: 2.18, 95% CI 1.17 − 4.08), overcrowding (OR: 2.84, 95% CI 1.20 − 6.72), comorbidity and the lack of previous preventive information (OR: 2.69, 95% CI: 1.50 − 4.83). Secondary or higher education was associated with a lower risk of hospitalization (OR 0.56, 95% CI: 0.36 − 0.87). Conclusions: In addition to individual factors such as comorbidity, other factors such as educational level, ethnicity or overcrowding were associated with hospitalization due to A (H1N1) 2009 influenza virus infections.en
dc.description.sponsorship This study was supported by the Ministerio de Ciencia e Innovación, Instituto de Salud Carlos III, Programa de Investigación sobre Gripe A/H1N1 (Grant GR09/0030), and Agency for the Management of Grants for University Research (AGAUR Grant number 2009/SGR 42)en
dc.format.mimetype application/pdfca
dc.identifier.citation Mayoral JM, Alonso J, Garin O, Herrador Z, Astray J, Baricot M et al. Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemic. BMC Public Health. 2013; 13: 118. DOI 10.1186/1471-2458-13-118ca
dc.identifier.doi http://dx.doi.org/10.1186/1471-2458-13-118
dc.identifier.issn 1471-2458ca
dc.identifier.uri http://hdl.handle.net/10230/23415
dc.language.iso engca
dc.publisher BioMed Centralca
dc.relation.ispartof BMC Public Health. 2013; 13: 118
dc.rights.accessRights info:eu-repo/semantics/openAccessca
dc.rights.uri http://creativecommons.org/licenses/by/2.0
dc.subject.keyword Influenza A (H1N1) 2009en
dc.subject.keyword Pandemicen
dc.subject.keyword Hospitalizationen
dc.subject.keyword Social factorsen
dc.subject.other Grip A (H1N1)ca
dc.subject.other Malalties transmissiblesca
dc.title Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemicen
dc.type info:eu-repo/semantics/articleca
dc.type.version info:eu-repo/semantics/publishedVersionca

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Articles (Departament de Medicina i Ciències de la Vida)
Articles (Hospital del Mar Research Institute)