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Understanding Growth and Malnutrition in Baka Pygmy Children

Stephan M. Funk, Belén Palomo Guerra, Amalia Bueno Zamora, Amy Ickowitz, Nicias Afoumpam Poni, Mohamadou Aminou Abdou, Yaya Hadam Sibama, René Penda, Guillermo Ros Brull, Martin Abossolo, Eva Ávila Martín, Robert Okale (+9 others)
2020 Human Ecology (New York, N.Y.)  

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We determined stunting, wasting, and obesity frequencies in a total 1092 2-to-12 year old Baka Pygmy children from anthropometric and health data gathered in 34 villages in the Djoum-Mintom region in southeastern Cameroon in four health campaigns in 2010 and 2017-9. We compare these to the WHO Child Growth Standards, Amazonian Tsiname growth references for interpopulation comparisons and the study population itself. Population-specific growth charts were constructed using GAMLSS modelling. Our
more » ... esults show that Baka children have one of the highest global rates of stunting relative to the WHO child growth standard with 57.8% for 2-to-12 year olds and 64% and 73% for 2-to-4 year old girls and boys, respectively. Frequencies of wasting, overweight, and low BMI were low at 3.4%, 4.6% and 4.3%, respectively, for 2-to-12 year olds. Underweight was at 25.5%, in the upper range for sub-Saharan Africa. Edemas indicated rare severe malnutrition (0.3%). Uncertainties in age estimation had dramatic effects on the reliability of estimated individual z-scores but distributions of z-scores were robust at a population level. In the context of the recent evidence for genetic adaptation of the Pygmies' small stature to the tropical forest environment we argue that WHO child standards for weight and BMI are applicable. However, standards for height are clearly not adequate for Pygmy people. To achieve UN Sustainable Development Goals, we recommend that Pygmy specific growth standards are developed for the various, genetically differing Pygmy tribes.
doi:10.1007/s10745-020-00161-5 fatcat:soz2glo6zzd6tjc3ziye5wikmq
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Stephan M. Funk, Belén Palomo Guerra, Amalia Bueno Zamora, Amy Ickowitz, Nicias Afoumpam Poni, Mohamadou Aminou Abdou, Yaya Hadam Sibama, René Penda, Guillermo Ros Brull, Martin Abossolo, Eva Ávila Martín, Robert Okale, Blaise Ango Ze, Ananda Moreno Carrión, Cristina García Sebastián, Cristina Ruiz de Loizaga García, Francisco López-Romero Salazar, Hissein Amazia, Idoia Álvarez Reyes, Rafaela Sánchez Expósito, John E. Fa. "Understanding Growth and Malnutrition in Baka Pygmy Children." Human Ecology (New York, N.Y.) 48.3 (2020)