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.
Maps of: (A) local percentage of late-stage prostate cancer and local means of four putative factors: (B) median income, (C) percentage of farmhouse, (D) percentage of married males, and (E) percentage of Black males. Color scale for all four covariates corresponds to ten classes of equal frequency.
