Journal
ANNALS OF EPIDEMIOLOGY
Volume 28, Issue 5, Pages 335-342Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.annepidem.2018.02.005
Keywords
Indigenous; Cancer surveillance; Cancer incidence; Cancer survival; Maori; First nations
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Funding
- National Health and Medical Research Council Early Career Research Fellowship [1105399]
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It is estimated that there are 370 million indigenous peoples in 90 countries globally. Indigenous peoples generally face substantial disadvantage and poorer health status compared with nonindigenous peoples. Population-level cancer surveillance provides data to set priorities, inform policies, and monitor progress over time. Measuring the cancer burden of vulnerable subpopulations, particularly indigenous peoples, is problematic. There are a number of practical and methodological issues potentially resulting in substantial underestimation of cancer incidence and mortality rates, and biased survival rates, among indigenous peoples. This, in turn, may result in a deprioritization of cancer-related programs and policies among these populations. This commentary describes key issues relating to cancer surveillance among indigenous populations including 1) suboptimal identification of indigenous populations, 2) numerator denominator bias, 3) problems with data linkage in survival analysis, and 4) statistical analytic considerations. We suggest solutions that can be implemented to strengthen the visibility of indigenous peoples around the world. These include acknowledgment of the central importance of full engagement of indigenous peoples with all data-related processes, encouraging the use of indigenous identifiers in national and regional data sets and mitigation and/or careful assessment of biases inherent in cancer surveillance methods for indigenous peoples. (C) 2018 Elsevier Inc. All rights reserved.
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