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Self-reported symptoms of chronic cough and breathlessness in working-age men in the city of Izhevsk, Russia: Associations with cardiovascular disease risk factors and co-morbidities

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Title: Self-reported symptoms of chronic cough and breathlessness in working-age men in the city of Izhevsk, Russia: Associations with cardiovascular disease risk factors and co-morbidities
Authors: Cook, S
Quint, JK
Vasiljev, M
Leon, DA
Item Type: Journal Article
Abstract: Very little is known about the prevalence of respiratory symptoms or their associations with other health conditions in Russia.Between 2008 and 2010, a sample of 983 men resident in Izhevsk, Russia, took part in a cross-sectional survey. Presence of respiratory symptoms was determined from self-report of chronic productive cough and breathlessness assessed using the British Medical Research Council (MRC) breathlessness scale. Self-reported physical and mental health were measured using the 12-Item Short-Form Health Survey (SF-12). Hypertension was assessed from mean blood pressure measured at the health check and/or self-reported use of antihypertensive medication. Other comorbidities were assessed from self-report. Logistic regression models were fitted assessing the association between respiratory symptoms and comorbidities. Linear regression models were fitted to investigate the association between respiratory symptoms and self-reported health scores. All models were adjusted for age, education and smoking status.The age-standardised prevalence of cough and breathlessness was 20.9% (prevalence with breathlessness MRC grade 3 or above 3.7%). The majority of men with respiratory symptoms (87.3%) were current smokers. Cough and breathlessness were associated with substantially worse self-reported physical and mental health (test for trend with severity of breathlessness p<0.001). Those with chronic cough and grade 3 or above breathlessness had higher odds of having hypertension (OR 3.03; 95% CI 1.36 to 6.74), diabetes (OR 10.55; 95% CI 2.69 to 41.37), angina pectoris (OR 7.54; 95% CI 3.61 to 15.73), previous myocardial infarction (OR 7.61; 95% CI 2.10 to 27.4) and previous stroke (OR 6.61; 95% CI 1.75 to 23.34) compared with those without respiratory symptoms.The prevalence of respiratory symptoms was high. Strong associations were found between respiratory symptoms and cardiovascular comorbidities. These are of particular importance given the extremely high level of cardiovascular disease mortality in Russia.
Issue Date: 23-Dec-2015
Date of Acceptance: 20-Oct-2015
URI: http://hdl.handle.net/10044/1/28434
DOI: https://dx.doi.org/10.1136/bmjresp-2015-000104
ISSN: 2052-4439
Publisher: BMJ Publishing Group
Journal / Book Title: BMJ Open Respiratory Research
Volume: 2
Copyright Statement: © 2015, British Medical Journal Publishing Group. This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http:// creativecommons.org/licenses/by/4.0/
Keywords: COPD epidemiology
Clinical Epidemiology
Publication Status: Published
Article Number: e000104
Appears in Collections:National Heart and Lung Institute
Faculty of Medicine



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