Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Differences in characteristics, ratios of characteristic group mean to grand mean. Differences are reported in ratios to allow for viewing on the same scale. All differences are statistically significant except for share of population residing in a nursing home and share of Medicare beneficiaries who received a lung cancer screening. Means and standard errors are reported in tabular form in the Appendix, Table A.4.
