The association of neighborhood socioeconomic characteristics with cardiovascular health: A quasi-experimental study of refugees to Denmark.

Neighborhood socioeconomic disadvantage is associated with cardiovascular health, although it is unclear which specific aspects of neighborhoods matter most. We leveraged a natural experiment in which refugees to Denmark were quasi-randomly assigned to neighborhoods across the country during 1986-1998, creating variation in exposure to various aspects of neighborhood disadvantage. The cohort was followed through December 2018. Exposures included neighborhood-level family income, educational attainment, unemployment, and welfare transfers measured in the first neighborhood after arrival to Denmark. Outcomes included cardiovascular risk factors (hyperlipidemia, hypertension, diabetes and anxiety/depression) and cardiovascular disease (acute myocardial infarction and ischemic heart disease). Neighborhood-level income and education were most consistently associated with cardiovascular risk factors, whereas welfare transfers were most consistently associated with cardiovascular disease. Addressing these specific aspects of neighborhood disadvantage could therefore lower the risk of poor cardiovascular health among refugees. Future research is warranted to examine if results are generalizable to other immigrant groups, countries or time periods.

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Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.