Growing Disparity in the Incidence of Colorectal Cancer among Non-Hispanic American Indian and Alaska Native Populations—United States, 2013–2017
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Growing Disparity in the Incidence of Colorectal Cancer among Non-Hispanic American Indian and Alaska Native Populations—United States, 2013–2017

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English
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  • Alternative Title:
    Cancer Epidemiol Biomarkers Prev
  • Personal Author:
  • Description:
    Background:

    American Indian and Alaska Native (AI/AN) populations have experienced regional variation and disparities in colorectal cancer incidence rates.

    Methods:

    We examined colorectal cancer incidence (2013–2017) and colorectal cancer incidence trends (1999–2017) among AI/AN persons. Incidence data were linked to Indian Health Service enrollment records, and analyses were restricted to Purchased/Referred Care Delivery Areas. Incidence rates of colorectal cancer among AI/AN and White persons were analyzed in six geographic regions; Hispanic persons were excluded. Incidence trends were analyzed using linear modeling.

    Results:

    During 2013–2017, colorectal cancer incidence was 41% higher among AI/AN than among White persons. AI/AN incidence rates per 100,000 varied regionally from 34.4 in the East to 96.1 in Alaska. Compared with White persons, AI/AN persons had higher colorectal cancer incidence rates among all age strata and were more likely to have late-stage diagnoses. Incidence rate trends indicated significant increases among both AI/AN and White persons ages <50 years and among AI/AN persons ages 50–64 years. The colorectal cancer incidence rate trend increased among AI/AN persons in the Southwest.

    Conclusions:

    The disparity of colorectal cancer incidence rates between AI/AN and White persons has widened since 2005–2009. AI/AN populations have higher colorectal cancer incidence compared with White populations, especially in the Alaska region.

    Impact:

    Our finding of increased colorectal cancer incidence disparities suggests that enhanced screening efforts and culturally appropriate clinical and public health interventions are needed among AI/AN persons overall, and especially in regions and age groups in which colorectal cancer rates are increasing.

  • Subjects:
  • Source:
    Cancer Epidemiol Biomarkers Prev. 30(10):1799-1806
  • Pubmed ID:
    34341050
  • Pubmed Central ID:
    PMC8590617
  • Document Type:
    Journal Article
  • Funding:
    CC999999/ImCDC/Intramural CDC HHSUnited States/
  • Place as Subject:
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