Residential radon and lung cancer: a cohort study in Galicia, Spain

Case-control studies show an association between residential radon and lung cancer. The aim of this paper is to investigate this association through a cohort study. We designed an ambispective cohort study using the Galician radon map, Spain, with controls drawn from a previous case-control study. S...

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Main Authors: Raquel Barbosa-Lorenzo, Alberto Ruano-Ravina, Sara Cerdeira-Caramés, Mónica Raíces-Aldrey, Juan M. Barros-Dios
Format: Article
Language:English
Published: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
Series:Cadernos de Saúde Pública
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2017000605007&lng=en&tlng=en
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author Raquel Barbosa-Lorenzo
Alberto Ruano-Ravina
Sara Cerdeira-Caramés
Mónica Raíces-Aldrey
Juan M. Barros-Dios
author_facet Raquel Barbosa-Lorenzo
Alberto Ruano-Ravina
Sara Cerdeira-Caramés
Mónica Raíces-Aldrey
Juan M. Barros-Dios
author_sort Raquel Barbosa-Lorenzo
collection DOAJ
description Case-control studies show an association between residential radon and lung cancer. The aim of this paper is to investigate this association through a cohort study. We designed an ambispective cohort study using the Galician radon map, Spain, with controls drawn from a previous case-control study. Subjects were recruited between 2002 and 2009. The data were cross-checked to ascertain lung cancer incidence and then analysed using a Cox regression model. A total of 2,127 subjects participated; 24 lung cancer cases were identified; 76.6% of subjects were drawn from the radon map. The adjusted hazard ratio was 1.2 (95%CI: 0.5-2.8) for the category of subjects exposed to 50Bq/m3 or more. This risk rose when subjects from the case-control study were analyzed separately. In conclusion, we did not observe any statistically significant association between residential radon exposure and lung cancer; however, it appears that with a sample of greater median age (such as participants from the case-control study), the risk of lung cancer would have been higher.
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spelling doaj.art-18a9a3e7769b45668285e98d4b4758212022-12-21T17:32:02ZengEscola Nacional de Saúde Pública, Fundação Oswaldo CruzCadernos de Saúde Pública1678-446433610.1590/0102-311x00189415S0102-311X2017000605007Residential radon and lung cancer: a cohort study in Galicia, SpainRaquel Barbosa-LorenzoAlberto Ruano-RavinaSara Cerdeira-CaramésMónica Raíces-AldreyJuan M. Barros-DiosCase-control studies show an association between residential radon and lung cancer. The aim of this paper is to investigate this association through a cohort study. We designed an ambispective cohort study using the Galician radon map, Spain, with controls drawn from a previous case-control study. Subjects were recruited between 2002 and 2009. The data were cross-checked to ascertain lung cancer incidence and then analysed using a Cox regression model. A total of 2,127 subjects participated; 24 lung cancer cases were identified; 76.6% of subjects were drawn from the radon map. The adjusted hazard ratio was 1.2 (95%CI: 0.5-2.8) for the category of subjects exposed to 50Bq/m3 or more. This risk rose when subjects from the case-control study were analyzed separately. In conclusion, we did not observe any statistically significant association between residential radon exposure and lung cancer; however, it appears that with a sample of greater median age (such as participants from the case-control study), the risk of lung cancer would have been higher.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2017000605007&lng=en&tlng=enRadônioCarcinógenos AmbientaisExposição à RadiaçãoNeoplasias Pulmonares
spellingShingle Raquel Barbosa-Lorenzo
Alberto Ruano-Ravina
Sara Cerdeira-Caramés
Mónica Raíces-Aldrey
Juan M. Barros-Dios
Residential radon and lung cancer: a cohort study in Galicia, Spain
Cadernos de Saúde Pública
Radônio
Carcinógenos Ambientais
Exposição à Radiação
Neoplasias Pulmonares
title Residential radon and lung cancer: a cohort study in Galicia, Spain
title_full Residential radon and lung cancer: a cohort study in Galicia, Spain
title_fullStr Residential radon and lung cancer: a cohort study in Galicia, Spain
title_full_unstemmed Residential radon and lung cancer: a cohort study in Galicia, Spain
title_short Residential radon and lung cancer: a cohort study in Galicia, Spain
title_sort residential radon and lung cancer a cohort study in galicia spain
topic Radônio
Carcinógenos Ambientais
Exposição à Radiação
Neoplasias Pulmonares
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2017000605007&lng=en&tlng=en
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