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Mineral nutrition of Samburu adolescents: A comparative study of pastoralist communities in Kenya
dc.contributor.authorIannotti, Lora
dc.contributor.authorLesorogol, Carolyn
dc.contributor.authorHilton, Charles
dc.contributor.authorOlungah, Charles Owuor
dc.contributor.authorZava, Theodore
dc.contributor.authorNeedham, Belinda
dc.contributor.authorCui, Yuhan
dc.contributor.authorBrindle, Eleanor
dc.contributor.authorStraight, Bilinda
dc.date.accessioned2022-02-07T20:26:00Z
dc.date.available2023-03-07 15:25:58en
dc.date.available2022-02-07T20:26:00Z
dc.date.issued2022-02
dc.identifier.citationIannotti, Lora; Lesorogol, Carolyn; Hilton, Charles; Olungah, Charles Owuor; Zava, Theodore; Needham, Belinda; Cui, Yuhan; Brindle, Eleanor; Straight, Bilinda (2022). "Mineral nutrition of Samburu adolescents: A comparative study of pastoralist communities in Kenya." American Journal of Physical Anthropology 177(2): 343-356.
dc.identifier.issn0002-9483
dc.identifier.issn1096-8644
dc.identifier.urihttps://hdl.handle.net/2027.42/171614
dc.description.abstractObjectivesThis study aimed to characterize mineral nutrition (copper, magnesium, selenium, and zinc) in Samburu pastoralist youth, in the context of differential cultural transitions due to uneven changes in educational access, herding intensity, polygyny, and access to wild, domesticated, and market‐sourced foods.Materials and methodsWhole dried blood spots were collected in a total of 161 youth (highlands, n = 97; lowlands, n = 64) to assess concentrations of cadmium, copper, lead, magnesium, mercury, selenium, and zinc. Concentrations were determined through inductively coupled mass spectrometry. Dietary intakes were assessed by 24‐h recall method and calculation of the probability of inadequate intakes. WHO protocols were applied to collect anthropometric measures in the youth.ResultsNearly half of the adolescents (47.8%) fell below the reference range for zinc status, and 88.2% had low zinc‐to‐copper ratios. High probability of nutrient inadequacies was evident for protein, fat, vitamins A, B12, C, and E. In generalized linear modeling, lowland residence was negatively associated with zinc status and the zinc‐to‐copper ratio, and positively correlated with selenium and copper status. Other significant correlates were dairy livestock ownership; wife number of the youth’s mother; meat consumption; vegetable consumption; protein intake; infectious disease morbidities; BMI; and hemoglobin concentrations.DiscussionIn recent decades, Samburu pastoralists of northern Kenya have experienced marked dietary changes in the context of market integration, extreme drought, diminishing pasture availability, and violent civil conflict. Some children (particularly boys) successfully supplement their diets by foraging for wild foods, while others (particularly actively herding girls) may be more vulnerable.
dc.publisherJohn Wiley & Sons, Inc.
dc.subject.otherpolygyny
dc.subject.othermineral nutrition
dc.subject.otherpastoralism
dc.subject.otheradolescents
dc.subject.otherenvironment
dc.titleMineral nutrition of Samburu adolescents: A comparative study of pastoralist communities in Kenya
dc.typeArticle
dc.rights.robotsIndexNoFollow
dc.subject.hlbsecondlevelAnthropology
dc.subject.hlbtoplevelSocial Sciences
dc.description.peerreviewedPeer Reviewed
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/171614/1/ajpa24438.pdf
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/171614/2/ajpa24438_am.pdf
dc.identifier.doi10.1002/ajpa.24438
dc.identifier.sourceAmerican Journal of Physical Anthropology
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dc.working.doiNOen
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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