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Impact of socioeconomic status on coronary artery calcification
Örebro University, School of Medical Sciences. Department of Cardiology.ORCID iD: 0000-0002-2957-9904
Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden.
Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden.
Department of Radiology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden.
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2018 (English)In: European Journal of Preventive Cardiology, ISSN 2047-4873, E-ISSN 2047-4881, Vol. 25, no 16, p. 1756-1764Article in journal (Refereed) Published
Abstract [en]

Background: Low socioeconomic status is associated with an increased risk of coronary artery disease, but few studies have investigated the potential link between living in an area with a low versus a high socioeconomic status and coronary artery calcification, a marker of subclinical coronary artery disease. Design The design of this study was a cross-sectional study. Methods We evaluated 1067 participants with no history of coronary artery disease from the pilot phase of the Swedish CArdioPulmonary bioImage Study (SCAPIS). Men and women aged 50-64 years were recruited from three high-socioeconomic status ( n = 541) and three low-socioeconomic status ( n = 526) areas in the city of Gothenburg (550,000 inhabitants). The coronary artery calcification score was assessed with the Agatston method using computed tomography, with individuals classified into either no coronary calcification ( n = 625; mean age, 57 years) or any coronary artery calcification ( n = 442; mean age, 59 years (men, 68.5%)). Results Coronary artery calcification was present in 244 (46.3%) and 198 (36.6%) individuals from the low- and high-socioeconomic status areas, respectively. Participants from the low-socioeconomic status areas had a significantly higher risk factor burden. In a multivariable logistic regression model with adjustment for age, sex and cardiovascular risk factors, the odds for coronary artery calcification were not significantly higher among persons living in low-socioeconomic status areas (odds ratio = 1.18, 95% confidence interval = 0.87-1.60). Conclusion In this relatively small cross-sectional study, we observed an association between living in a low-socioeconomic status area and coronary artery calcification. However, this was mostly explained by higher levels of cardiovascular disease risk factors, indicating that the effect of socioeconomic status on the atherosclerotic process works through an increased burden of cardiovascular disease risk factors.

Place, publisher, year, edition, pages
Sage Publications, 2018. Vol. 25, no 16, p. 1756-1764
Keywords [en]
Socioeconomic status, social classes, neighbourhood, coronary artery calcification, subclinical coronary artery disease, ethnic group, nationality
National Category
Public Health, Global Health, Social Medicine and Epidemiology Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:oru:diva-68438DOI: 10.1177/2047487318792103ISI: 000448077100012PubMedID: 30095278Scopus ID: 2-s2.0-85052572798OAI: oai:DiVA.org:oru-68438DiVA, id: diva2:1238450
Funder
Swedish Heart Lung FoundationKnut and Alice Wallenberg FoundationSwedish Research CouncilVINNOVARegion Västra Götaland
Note

Funding Agency:

Sahlgrenska Academy at the University of Gothenburg

Available from: 2018-08-13 Created: 2018-08-13 Last updated: 2018-11-07Bibliographically approved

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