Healthcare Access and COVID-19 Mortality
Author Information
Author(s): Benavidez Gabriel A., Zgodic Anja, Owczarek Aleksander, Napoli Christian
Primary Institution: Baylor University, Waco, TX, USA; University of South Carolina, Columbia, SC, USA
Hypothesis
How does hospital proximity and uninsurance rates affect county-level COVID-19 mortality?
Conclusion
Proximity to hospital services does not significantly reduce COVID-19 mortality, while higher uninsurance rates are linked to increased mortality.
Supporting Evidence
- Counties with higher uninsurance rates had significantly higher COVID-19 mortality.
- Increased distance to the nearest ICU was associated with lower COVID-19 mortality.
- Distance to ERs also showed a negative association with COVID-19 mortality.
- The study included 2640 counties, representing 84% of U.S. counties.
- Median COVID-19 mortality rate was 240 deaths per 100,000.
- Proximity to hospitals may not be beneficial due to higher population density in those areas.
- Financial barriers to healthcare access were highlighted as a significant issue.
- Findings suggest a need for policies to expand insurance coverage.
Takeaway
This study found that living closer to hospitals doesn't help much with COVID-19 deaths, but not having health insurance makes things worse.
Methodology
The study used generalized linear regression models to analyze the relationship between distance to hospitals, uninsurance rates, and COVID-19 mortality across U.S. counties.
Potential Biases
Potential ecological fallacy due to reliance on aggregated data.
Limitations
The study relies on county-level data, which may not accurately reflect individual circumstances, and only examines hospital-based services.
Participant Demographics
The analysis included 2640 U.S. counties with varying demographics, including racial and socioeconomic factors.
Statistical Information
P-Value
<0.0001
Confidence Interval
95% CI: 0.57–0.65 for ICU distance; 95% CI: 0.92–0.98 for ER distance; 95% CI: 2.58–5.62 for uninsured proportion.
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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