Population-based evaluation of disparities in stomach cancer by nativity among Asian and Hispanic populations in California, 2011–2015
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4 01 2024
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Source: Cancer. 130(7):1092-1100
Details:
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Alternative Title:Cancer
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Description:Background:
Stomach cancer incidence presents significant racial/ethnic disparities among racial/ethnic minority groups in the US, particularly among Asian and Hispanic immigrant populations. However, population-based evaluation of disparities by nativity has been scarce due to the lack of nativity-specific population denominators, especially for disaggregated Asian subgroups. We examined population-based stomach cancer incidence and tumor characteristics by detailed race/ethnicity and nativity.
Methods:
We calculated annual age-adjusted incidence rates (AAIRs) by race/ethnicity, sex, and nativity and evaluated tumor characteristics such as stage and anatomic subsite, using the 2011–2015 California Cancer Registry data. For Hispanic and Asian populations, we estimated nativity-specific population counts using the US Census and the American Community Survey Public Use Microdata Sample data.
Results:
During 2011–2015 in California, 14,198 patients were diagnosed with stomach cancer. AAIRs were higher among foreign-born individuals than their US-born counterparts. The difference was modest among Hispanics (~1.3 fold) but larger (~2 to 3-fold) among Chinese, Japanese, and Korean Americans. The highest incidence was observed for foreign-born Korean and Japanese Americans (33 and 33 per 100,000 for men; 15 and 12 per 100,000 for women, respectively). The proportion of localized stage disease was highest among foreign-born Korean Americans (44%); a similar proportion was observed among US-born Korean Americans although numbers were limited. For other Asians and Hispanics, the localized stage proportion was generally lower among foreign-born than US-born individuals, and lowest among foreign-born Japanese Americans (23%).
Conclusions:
Nativity-specific investigation with disaggregated racial/ethnic groups identified substantial stomach cancer disparities among foreign-born immigrant populations.
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Pubmed ID:38079517
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Pubmed Central ID:PMC11018353
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Supporting Files:No Additional Files