Socioeconomic inequalities in the spread of coronavirus-19 in the United States: A examination of the emergence of social inequalities

https://doi.org/10.1016/j.socscimed.2020.113554Get rights and content

Highlights

  • Socioeconomic inequalities in health emerge and change predictably as they infect communities.

  • This study found that higher socioeconomic status was associated with earlier COVID-19 exposure.

  • Lower socioeconomic status was associated with higher incidence and mortality rates.

  • Despite being a new disease, social inequalities emerged alongside prevention implementation.

Abstract

Objectives

To quantify the contribution variation in socioeconomic status in predicting the distribution of COVID-19 cases and deaths.

Methods

Analyses used incidence data on daily COVID + case counts from all counties from the initial wave of infections, merged with data from the U.S. census data to measure county-level SES and confounders. Multivariable analyses relied on survival analyses and Poisson regression to examine timing of county-level index cases and of COVID-19 incidence and mortality in infected counties to examine the spread and severity of COVID-19 while adjusting for adjusted for Black race, Hispanic ethnicity, age, gender, and urbanicity. Effect moderation by social distancing parameters was examined.

Results

Results indicate that higher SES was associated with earlier incidence of index cases, but that as social distancing took place inequalities in SES inverted so that growth in incidence was slower in higher SES counties, where case-fatality rates were lower.

Conclusions

This study is the first to date to show what happens when an opportunistic disease that could affect anyone meets the American system of inequality and is powerfully shaped by it.

Keywords

COVID-19
Fundamental cause theory
Socioeconomic inequalities and health

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