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Associations Between Residential Segregation and Incident Hypertension: The Multi-Ethnic Study of Atherosclerosis
Journal article   Open access

Associations Between Residential Segregation and Incident Hypertension: The Multi-Ethnic Study of Atherosclerosis

Xing Gao, Kiarri N Kershaw, Sharrelle Barber, Pamela J Schreiner, D Phuong Do, Ana V Diez Roux and Mahasin S Mujahid
Journal of the American Heart Association, v 11(3), pp e023084-e023084
Feb 2022
PMID: 35048712
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1161/jaha.121.023084View
Published, Version of Record (VoR)CC BY-NC-ND V4.0 Open
url
https://doi.org/10.1161/JAHA.121.023084View
Published, Version of Record (VoR) Open

Abstract

Adult Atherosclerosis - epidemiology Ethnicity Humans Hypertension - epidemiology Residence Characteristics Social Segregation United States - epidemiology
Background Residential segregation, a geospatial manifestation of structural racism, is a fundamental driver of racial and ethnic health inequities, and longitudinal studies examining segregation's influence on cardiovascular health are limited. This study investigates the impact of segregation on hypertension in a multiracial and multiethnic cohort and explores whether neighborhood environment modifies this association. Methods and Results Leveraging data from a diverse cohort of adults recruited from 6 sites in the United States with 2 decades of follow-up, we used race- and ethnicity-stratified Cox models to examine the association between time-varying segregation with incident hypertension in 1937 adults free of hypertension at baseline. Participants were categorized as residing in segregated and nonsegregated neighborhoods using a spatial-weighted measure. We used a robust covariance matrix estimator to account for clustering within neighborhoods and assessed effect measure modification by neighborhood social or physical environment. Over an average follow-up of 7.35 years, 65.5% non-Hispanic Black, 48.1% Chinese, and 53.7% Hispanic participants developed hypertension. Net of confounders, Black and Hispanic residents in segregated neighborhoods were more likely to develop hypertension relative to residents in nonsegregated neighborhoods (Black residents: hazard ratio [HR], 1.33; 95% CI, 1.09-1.62; Hispanic residents: HR, 1.33; 95% CI, 1.04-1.70). Results were similar but not significant among Chinese residents (HR, 1.20; 95% CI, 0.83-1.73). Among Black residents, neighborhood social environment significantly modified this association such that better social environment was associated with less pronounced impact of segregation on hypertension. Conclusions This study underscores the importance of continued investigations of groups affected by the health consequences of racial residential segregation while taking contextual neighborhood factors, such as social environment, into account.

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UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#10 Reduced Inequalities
#3 Good Health and Well-Being

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Collaboration types
Domestic collaboration
Web of Science research areas
Cardiac & Cardiovascular Systems
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