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Supplemental Information

Dataset S1. County-level dataset

Tab delimited data collected for US counties. Missing values are blank. Source-reported 95% confidence intervals have ‘lower’ and ‘upper’ appended to the corresponding variable name.

DOI: 10.7287/peerj.preprints.587v2/supp-1

eLife Reviews (public)

Comments and suggestions of eLife senior editor, reviewing editor, and three external peer reviewers. All references to reviewer and editor identities have been removed.

DOI: 10.7287/peerj.preprints.587v2/supp-2

Track changes

Compares the manuscript before and after revision based on the comments of the eLife reviewers.

DOI: 10.7287/peerj.preprints.587v2/supp-4

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Kamen P. Simeonov conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Daniel S. Himmelstein conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Funding

The authors declare there was no funding for this work. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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