Incidence of Stomach, Liver, and Colorectal Cancers by Geography and Social Vulnerability Among American Indian and Alaska Native Populations, 2010-2019.

Publisher: Oxford University Press Country of Publication: United States NLM ID: 7910653 Publication Model: Print Cited Medium: Internet ISSN: 1476-6256 (Electronic) Linking ISSN: 00029262 NLM ISO Abbreviation: Am J Epidemiol Subsets: MEDLINE

Publication: Cary, NC : Oxford University Press
Original Publication: Baltimore, School of Hygiene and Public Health of Johns Hopkins Univ.

American Indian or Alaska Native* ; Colorectal Neoplasms*/epidemiology ; Stomach Neoplasms*/epidemiology ; Liver Neoplasms*/epidemiology; Humans ; Geography ; Incidence ; Racial Groups ; Registries ; Social Vulnerability ; United States/epidemiology

Social determinants of health and associated systems, policies, and practices are important drivers of health disparities. American Indian and Alaska Native (AI/AN) populations in the United States have elevated incidence rates of stomach, liver, and colorectal cancers compared with other racial/ethnic groups. In this study, we examined incidence rates of 3 types of gastrointestinal cancer among non-Hispanic AI/AN (NH-AI/AN) and non-Hispanic White (NHW) populations by geographic region and Social Vulnerability Index (SVI) score. Incident cases diagnosed during 2010-2019 were identified from population-based cancer registries linked with the Indian Health Service patient registration databases. Age-adjusted incidence rates (per 100,000 population) for stomach, liver, and colorectal cancers were compared within NH-AI/AN populations and between the NH-AI/AN and NHW populations by SVI score. Rates were higher among NH-AI/AN populations in moderate- and high-SVI-score counties in Alaska, the Southern Plains, and the East than in low-SVI counties. Incidence rates among NH-AI/AN populations were elevated when compared with NHW populations by SVI category. Results indicated that higher social vulnerability may drive elevated cancer incidence among NH-AI/AN populations. Additionally, disparities between NH-AI/AN and NHW populations persist even when accounting for SVI. Exploring social vulnerability can aid in designing more effective interventions to address root causes of cancer disparities among AI/AN populations.
(Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health 2023. This work is written by (a) US Government employee(s) and is in the public domain in the US.)

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CC999999 United States ImCDC Intramural CDC HHS

Keywords: Alaska Natives; American Indians; Social Vulnerability Index; cancer incidence; health disparities; social determinants of health

Date Created: 20231012 Date Completed: 20240109 Latest Revision: 20240723

20240723

PMC10990004

10.1093/aje/kwad194

37823258