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Income disparities in absolute cardiovascular risk and cardiovascular risk factors in the United States, 1999-2014

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Odutayo, A, Gill, P, Shepherd, S, Akingbade, A, Hopewell, S, Tennankore, K, Hunn, BH and Emdin, CA 2017 , 'Income disparities in absolute cardiovascular risk and cardiovascular risk factors in the United States, 1999-2014' , JAMA Cardiology, vol. 2, no. 7 , pp. 782-790 , doi: 10.1001/jamacardio.2017.1658.

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Abstract

Importance: Large improvements in the control of risk factors for cardiovascular disease have been achieved in the United States, but it remains unclear whether adults in all socioeconomic strata have benefited equally.Objective: To assess temporal trends in 10-year predicted absolute cardiovascular risk and cardiovascular risk factors among US adults in different socioeconomic strata.Design, Setting, and Participants: A cross-sectional analysis was conducted using data on adults 40 to 79 years of age without established cardiovascular disease from the 1999 to 2014 National Health and Nutrition Examination Survey.Exposures: Socioeconomic status was based on the family income to poverty ratio and participants were divided into the following 3 groups: high income (family income to poverty ratio, ≥4), middle income (>1 and Main Outcomes and Measures: We assessed predicted absolute cardiovascular risk using the pooled cohort equation. We assessed the following 4 risk factors: systolic blood pressure, smoking status, diabetes, and total cholesterol.Results: Of the 17 199 adults whose data were included in the study (8828 women and 8371 men; mean age, 54.4 years), from 1999-2014, trends in the percentage of adults with predicted absolute cardiovascular risk of 20% or more, mean systolic blood pressure, and the percentage of current smokers varied by income strata (P ≤ .02 for interaction). For adults with incomes at or below the federal poverty level, there was little evidence of a change in any of these outcomes across survey years (cardiovascular risk ≥20%, 14.9% [95% CI, 12.9%-16.8%] in 1999-2004; 16.5% [95% CI, 13.7%-19.2%] in 2011-2014; P = .41; mean systolic blood pressure, 127.6 [95% CI, 126.1-129.0] mm Hg in 1999-2004; 126.8 [95% CI, 125.2-128.5] mm Hg in 2011-2014; P = .44; and smoking, 36.5% [95% CI, 32.1%-41.0%] in 1999-2004; 36.0% [95% CI, 31.1%-40.8%] in 2011-2014; P = .87). For adults in the high-income stratum, these variables decreased across survey years (cardiovascular risk ≥20%, 12.0% [95% CI, 10.7%-13.3%] in 1999-2004; 9.5% [95% CI, 8.2%-10.7%] in 2011-2014; P = .003; systolic blood pressure, 126.0 [95% CI, 125.0-126.9] mm Hg in 1999-2004; 122.3 [95% CI, 121.3-123.3] mm Hg in 2011-2014; P Conclusions and Relevance: Adults in each socioeconomic stratum have not benefited equally from efforts to control cardiovascular risk factors.

Item Type: Article
Authors/Creators:Odutayo, A and Gill, P and Shepherd, S and Akingbade, A and Hopewell, S and Tennankore, K and Hunn, BH and Emdin, CA
Journal or Publication Title: JAMA Cardiology
Publisher: American Medical Association
ISSN: 2380-6583
DOI / ID Number: 10.1001/jamacardio.2017.1658
Copyright Information:

© 2017 American Medical Association. All rights reserved.

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