No Differences in Birth Measurements Between Indigenous and Non-Indigenous Newborns in Chile
Author Information
Author(s): Hugo Amigo, Patricia Bustos, Jay S. Kaufman
Primary Institution: Department of Nutrition, Faculty of Medicine, University of Chile
Hypothesis
What are the trends in anthropometric measures at birth in Chilean indigenous and non-indigenous children over a 5-year period?
Conclusion
There is only a trivial degree of ethnic disparity in birth measurements between indigenous and non-indigenous newborns in Chile.
Supporting Evidence
- The average birthweight was stable over the 5-year period with variations of less than 20 g in each group.
- The proportion of low birth weight (<2500 g) remained stable in indigenous newborns and increased slightly in non-indigenous newborns.
- Indigenous newborns had slightly higher mean birthweights compared to non-indigenous newborns.
Takeaway
This study found that babies born to indigenous and non-indigenous parents in Chile are about the same size at birth, which is surprising because indigenous people often face more challenges.
Methodology
The study analyzed weight and length at birth using national birth records from 2000 to 2004, classifying newborns by the ethnic origin of their parents' surnames.
Potential Biases
There may be biases in the classification of ethnicity due to the algorithm used for surname matching.
Limitations
The study relied on secondary data from birth certificates, which may have variability in quality and accuracy.
Participant Demographics
The study included all live singleton births in Chile from 2000 to 2004, with a focus on indigenous (Mapuche) and non-indigenous populations.
Digital Object Identifier (DOI)
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