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Association of Social Network Characteristics With Cardiovascular Health and Coronary Artery Calcium in South Asian Adults in the United States: The MASALA Cohort Study.

ABSTRACT: Background South Asian adults have worse cardiovascular health (CVH) and more coronary artery calcium compared with other race/ethnicities. The impact of the social environment has not been examined as a potential driver of CVH or coronary artery calcium in this population. We evaluated associations of social network characteristics with CVH and coronary artery calcium in South Asian American adults to inform strategies for CVH promotion in this at-risk population. Methods and Results Using data from the MASALA (Mediators of Atherosclerosis in South Asians Living in America) cohort study, multinomial and multivariable logistic regression were used to evaluate associations of participant social network size and density, proportion of network who are kin or South Asian ethnicity and reported health of participant's identified social network members ("alters"), with participant CVH and presence of coronary artery calcium. The 699 MASALA participants included were mean age 59.2 (SD, 9.2) years and 42.9% women. After adjustment, a 1-person larger social network size was associated with 13% higher odds of ideal CVH (odds ratio [OR], 1.13; 95% CI, 1.01-1.27). Reporting an alter with high blood pressure was associated with lower odds of ideal CVH (OR, 0.51; 95% CI, 0.29-0.88), and reporting an alter with high cholesterol was associated with lower odds of ideal CVH (OR, 0.54; 95% CI, 0.30-0.94). Conclusions Social network characteristics are associated with CVH in South Asian American adults. Engaging social networks may help promote CVH in this population.

SUBMITTER: Shah NS

PROVIDER: S-EPMC8174337 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:ObjectivesThe 2018 and 2019 U.S. guidelines for the management of cholesterol and primary prevention of atherosclerotic cardiovascular disease (ASCVD) recommend consideration of cardiovascular risk-enhancing factors (REFs), including South Asian ancestry, to refine ASCVD risk estimation. However, the associations of REFs with atherosclerosis are unclear in South Asian American adults, who have a disproportionately elevated premature coronary heart disease risk. In the Mediators of Atherosclerosis in South Asians Living in America (MASALA) cohort, we investigated associations of individual REFs, or the number of REFs, with coronary artery calcium (CAC).MethodsUsing baseline and follow-up data from MASALA, we evaluated the association of REFs (family history of ASCVD, low-density lipoprotein cholesterol ≥160 mg/dL, triglycerides ≥175 mg/dL, lipoprotein(a) >50 mg/dL, high-sensitivity C-reactive protein [hsCRP] ≥2.0 mg/dL, ankle-brachial index <0.9, chronic kidney disease, metabolic syndrome), individually and combined, with baseline prevalent CAC, any CAC progression (including incident CAC and CAC progression), and annual CAC progression rates using multivariable logistic regression and generalized linear models.ResultsAmong 866 adults, mean age was 55 [SD 9] years and 47% were female. There were no significant associations of REFs with baseline prevalent CAC or any CAC progression (incident CAC and CAC progression at Exam 2) after adjustment. Among the 56% of participants who had any CAC progression, having 3+ REFs was associated with a significantly higher annual CAC progression rate (adjusted rate ratio [aRR] 1.94, 95% CI 1.39-2.72) vs. having 0 REFs. The annual CAC progression rate was 20% higher per additional REF (aRR 1.20, 95% CI 1.09-1.32). Findings were similar after excluding statin users, and among those with low 10-year ASCVD risk (<5%).ConclusionsAmong South Asian American adults, we found no association of REFs with prevalent CAC at baseline or having any CAC progression. Among those with any CAC progression, a higher number of REFs was associated with higher annual CAC progression rates.

Dataset Information

Association of Social Network Characteristics With Cardiovascular Health and Coronary Artery Calcium in South Asian Adults in the United States: The MASALA Cohort Study.

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