Background: The incidence of colorectal cancer (CRC) in the US has declined. The decreasing trend is observed in non-Hispanic Whites, Blacks, and Hispanics. However, close analysis of the trends demonstrates that the decline among Hispanics is less than other races/ethnicities. We investigate the burden of CRC in Hispanics living near the U.S.-Mexico border, a subpopulation of Hispanics composed primarily of individuals of Mexican origin.
Objectives: The objective of this study was to investigate and compare incidence rates of CRC in non-Hispanic Whites and Hispanics living in counties along the U.S.-Mexico border.
Methods: Data from the National Institutes of Health National Cancer Institute and State Cancer Profiles were analyzed to obtain CRC incidence rates (per 100,000 population) for persons ≥ 50 years of age residing in counties along the U.S.-Mexico border by race (non-Hispanic White and Hispanic) and gender from 2011 to 2015.
Results: Incidence rates of CRC in Hispanic men ≥ 50 years of age, living in counties along the U.S.-Mexico border, were higher than the national average for Hispanic men of similar age. In contrast, the incidence of CRC declined or remained stable in non-Hispanic Whites and women.
Conclusions: Our study unveils a significant disparity in CRC incidence among Hispanics living near the U.S.-Mexico border, disproportionally affecting men ≥ 50 years of age. Socioeconomic and cultural/lifestyle factors are likely contributing to these disparities.
Keywords: Colorectal cancer; Hispanics; Incidence; U.S.–Mexico Border.
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