e-journal

Physical Growth of the Shuar: Height, Weight, and BMI References for an Indigenous Amazonian Population

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Objectives: Information concerning physical growth among small-scale populations remains limited, yet such data
are critical to local health efforts and to foster basic understandings of human life history and variation in childhood development. Using a large dataset and robust modeling methods, this study aims to describe growth from birth to adulthood among the indigenous Shuar of Amazonian Ecuador.
Methods: Mixed-longitudinal measures of height, weight, and body mass index (BMI) were collected from Shuar participants (n52,463; age: 0–29 years). Centile growth curves and tables were created for each anthropometric variable of interest using Generalized Additive Models for Location, Scale, and Shape (GAMLSS). Pseudo-velocity and Lambda-Mu-
Sigma curves were generated to further investigate Shuar patterns of growth and to facilitate comparison with United
States Center for Disease Control and Prevention and multinationalWorld Health Organization growth references.
Results: The Shuar are small throughout life and exhibit complex patterns of growth that differ substantially from
those of international references. Similar to other Amazonians, Shuar growth in weight compares more favorably to
references than growth in height, resulting in BMI curves that approximate international medians. Several additional
characteristics of Shuar development are noteworthy, including large observed variation in body size early in life, significant infant growth faltering, extended male growth into adulthood, and a markedly early female pubertal growth
spurt in height. Phenotypic plasticity and genetic selection in response to local environmental factors may explain
many of these patterns.
Conclusions: Providing a detailed reference of growth for the Shuar and other Amazonian populations, this study
possesses direct clinical application and affords valuable insight into childhood health and the ecology of human
growth

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Ketersediaan

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Informasi Detail

Judul Seri

American Journal Of Human Biology

No. Panggil

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Penerbit

: Wiley Periodicals., 2016

Deskripsi Fisik

American Journal Of Human Biology 28:16–30 (2016)

Bahasa

English

ISBN/ISSN

DOI: 10.1002/ajhb.22

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

BIOLOGI

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

Lampiran Berkas

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