For more information on this topic, CDC recommends the following link: https://www.cdc.gov/cancer/dcpc/prevention/
Footnotes
Age-adjusted rates per 100,000 based on the 2000 U.S. standard population.
Urban-rural status is determined by the Office of Management and Budget’s February 2013 delineation of metropolitan statistical areas (MSAs), in which each MSA must have at least one urban area of ≥50,000 inhabitants. Areas with <50,000 inhabitants are grouped into the rural category.