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Passive smoking exposure is associated with increased risk of COPD in never-smokers
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Yrkes- och miljömedicin.
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2014 (Engelska)Ingår i: Chest, ISSN 0012-3692, E-ISSN 1931-3543, Vol. 145, nr 6, s. 1298-1304Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

BACKGROUND Passive smoking, or environmental tobacco smoke (ETS), is a risk factor for lung cancer, cardiovascular disease and childhood asthma, but a relationship with COPD has not been fully established.

AIM To study ETS as a risk factor for COPD in never-smokers.

METHODS Data from three cross-sectional studies within the Obstructive Lung Disesease in Northern Sweden (OLIN) database were pooled. Of the 2182 lifelong never-smokers 2118 completed structured interviews and spirometry of acceptable quality. COPD was defined according to the GOLD criteria using post-bronchodilator spirometry. The association of COPD with ETS in single and multiple settings was calculated by multivariate logistic regression adjusting for known risk factors for COPD.

RESULTS COPD prevalence was associated with increased ETS exposure: 4.2% (no ETS), 8.0% (ETS ever at home), 8.3% (ETS at previous work) and 14.7% (ETS ever at home and at both previous and current work), test for trend p=0.003. Exclusion of subjects aged ≥65 years and subjects reporting asthma yielded similar results. ETS in multiple settings, such as ever at home and at both previous and current work was strongly associated to COPD, OR 3.80 (95% CI 1.29-11.2).

CONCLUSIONS In this population-based sample of never-smokers, ETS was independently associated with COPD. The association was stronger for ETS in multiple settings. ETS in multiple settings was, after age, the strongest risk factor for COPD and comparable to personal smoking of up to 14 cigarettes/day in comparable materials. The findings strongly advocate measures against smoking in public places.

Ort, förlag, år, upplaga, sidor
2014. Vol. 145, nr 6, s. 1298-1304
Nationell ämneskategori
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
Identifikatorer
URN: urn:nbn:se:umu:diva-85535DOI: 10.1378/chest.13-1349ISI: 000337355600023PubMedID: 24356778OAI: oai:DiVA.org:umu-85535DiVA, id: diva2:694259
Tillgänglig från: 2014-02-06 Skapad: 2014-02-06 Senast uppdaterad: 2018-06-08Bibliografiskt granskad

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Bjerg, AndersBackman, HelenaLindberg, AnneRönmark, Eva

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