A Novel Bayesian Spatial–Temporal Approach to Quantify Sars-CoV-2 Testing Disparities for Small Area Estimation
Dados Bibliográficos
Objectives. To propose a novel Bayesian spatial–temporal approach to identify and quantify severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing disparities for small area estimation. Methods. In step 1, we used a Bayesian inseparable space–time model framework to estimate the testing positivity rate (TPR) at geographically granular areas of the census block groups (CBGs). In step 2, we adopted a rank-based approach to compare the estimated TPR and the testing rate to identify areas with testing deficiency and quantify the number of needed tests. We used weekly SARS-CoV-2 infection and testing surveillance data from Cameron County, Texas, between March 2020 and February 2022 to demonstrate the usefulness of our proposed approach. Results. We identified the CBGs that had experienced substantial testing deficiency, quantified the number of tests that should have been conducted in these areas, and evaluated the short- and long-term testing disparities. Conclusions. Our proposed analytical framework offers policymakers and public health practitioners a tool for understanding SARS-CoV-2 testing disparities in geographically small communities. It could also aid COVID-19 response planning and inform intervention programs to improve goal setting and strategy implementation in SARS-CoV-2 testing uptake. (Am J Public Health. 2023;113(1):40–48. https://doi.org/10.2105/AJPH.2022.307127 )
Bayesian probability · Coronavirus disease 2019 (COVID-19) · Environmental health · Estimation · Pathology · Public health · Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) · Small area estimation · Statistics · Test strategy · Computer Science · COVID-19 epidemiological studies · Data-Driven Disease Surveillance · Mathematics · Medicine · Statistical Methods and Bayesian Inference
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