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The burden of stomach cancer in indigenous populations: a systematic review and global assessment
Erasmus University Medical Center,Department of Public Health, Rotterdam.
International Agency for Research on Cancer, Section of Cancer Information, Lyon, France.
University West, Department of Nursing, Health and Culture, Division of Health and Culture.ORCID iD: 0000-0003-0535-2059
Centre for Public Health Research, Massey University, Wellington, New Zealand.
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2014 (English)In: Gut, ISSN 0017-5749, E-ISSN 1468-3288, Vol. 63, no 1, p. 64-71Article in journal (Refereed) Published
Abstract [en]

Objective Stomach cancer is a leading cause of cancer death, especially in developing countries. Incidence has been associated with poverty and is also reported to disproportionately affect indigenous peoples, many of whom live in poor socioeconomic circumstances and experience lower standards of health. In this comprehensive assessment, we explore the burden of stomach cancer among indigenous peoples globally.Design The literature was searched systematically for studies on stomach cancer incidence, mortality and survival in indigenous populations, including Indigenous Australians, Maori in New Zealand, indigenous peoples from the circumpolar region, native Americans and Alaska natives in the USA, and the Mapuche peoples in Chile. Data from the New Zealand Health Information Service and the Surveillance Epidemiology and End Results (SEER) Program were used to estimate trends in incidence.Results Elevated rates of stomach cancer incidence and mortality were found in almost all indigenous peoples relative to corresponding non-indigenous populations in the same regions or countries. This was particularly evident among Inuit residing in the circumpolar region (standardised incidence ratios (SIR) males: 3.9, females: 3.6) and in Maori (SIR males: 2.2, females: 3.2). Increasing trends in incidence were found for some groups.Conclusions We found a higher burden of stomach cancer in indigenous populations globally, and rising incidence in some indigenous groups, in stark contrast to the decreasing global trends. This is of major public health concern requiring close surveillance and further research of potential risk factors. Given evidence that improving nutrition and housing sanitation, and Helicobacter pylori eradication programmes could reduce stomach cancer rates, policies which address these initiatives could reduce inequalities in stomach cancer burden for indigenous peoples.

Place, publisher, year, edition, pages
2014. Vol. 63, no 1, p. 64-71
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Health Sciences
Research subject
NURSING AND PUBLIC HEALTH SCIENCE, Nursing science
Identifiers
URN: urn:nbn:se:hv:diva-5684DOI: 10.1136/gutjnl-2013-305033ISI: 000327835000007OAI: oai:DiVA.org:hv-5684DiVA, id: diva2:660255
Note

Published Online First: 23 October 2013

Available from: 2013-10-29 Created: 2013-10-29 Last updated: 2017-12-06Bibliographically approved

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