Search Results - "Siamusantu, Ward"

Within-person, between-person and seasonal variance in nutrient intakes among 4- to 8-year-old rural Zambian children by Caswell, Bess L, Talegawkar, Sameera A, Siamusantu, Ward, West, Keith P, Palmer, Amanda C

“…Estimates of the components of nutrient intake variation are needed for modelling distributions of usual intake or predicting the usual intake of individuals…”
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A 10-Food Group Dietary Diversity Score Outperforms a 7-Food Group Score in Characterizing Seasonal Variability and Micronutrient Adequacy in Rural Zambian Children by Caswell, Bess L, Talegawkar, Sameera A, Siamusantu, Ward, West, Jr, Keith P, Palmer, Amanda C

“…Dietary diversity scores and dichotomous indicators derived from them are widely used to assess dietary quality, and specific scoring methods have been…”
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Impact of biofortified maize consumption on serum carotenoid concentrations in Zambian children by Palmer, Amanda C., Craft, Neal E., Schulze, Kerry J., Barffour, Maxwell, Chileshe, Justin, Siamusantu, Ward, West, Keith P.

“…Biofortified maize, designed as an intervention strategy to prevent vitamin A deficiency, can provide upwards of 15 μg β-carotene per g dry weight. Some…”
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Age‐specific differences in the magnitude of malaria‐related anemia during low and high malaria seasons in rural Zambian children by Acheampong, Clement O., Barffour, Maxwell A., Schulze, Kerry J., Chileshe, Justin, Kalungwana, Ng'andwe, Siamusantu, Ward, West, Keith P., Palmer, Amanda C.

“…Background Malaria causes anemia by destruction of red blood cells and inhibition of erythropoiesis. Objective We assessed whether the magnitude of the…”
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Vitamin A intake and infection are associated with plasma retinol among pre-school children in rural Zambia by Hotz, Christine, Chileshe, Justin, Siamusantu, Ward, Palaniappan, Uma, Kafwembe, Emmanuel

“…To determine the prevalence of vitamin A deficiency, infection and adequacy of vitamin A intakes among Zambian children, and the contribution of dietary…”
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Provitamin A Carotenoid-Biofortified Maize Consumption Increases Pupillary Responsiveness among Zambian Children in a Randomized Controlled Trial by Palmer, Amanda C, Healy, Katherine, Barffour, Maxwell A, Siamusantu, Ward, Chileshe, Justin, Schulze, Kerry J, West, Jr, Keith P, Labrique, Alain B

“…Impaired dark adaptation is an early functional indicator of vitamin A deficiency that may be prevented by regular dietary intake of foods containing…”
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Provitamin A-biofortified maize increases serum β-carotene, but not retinol, in marginally nourished children: a cluster-randomized trial in rural Zambia by Palmer, Amanda C, Siamusantu, Ward, Chileshe, Justin, Schulze, Kerry J, Barffour, Maxwell, Craft, Neal E, Molobeka, Ngosa, Kalungwana, Ng'andwe, Arguello, Margia A, Mitra, Maithilee, Caswell, Bess, Klemm, Rolf Dw, West, Jr, Keith P

“…Vitamin A deficiency remains a nutritional concern in sub-Saharan Africa. Conventionally bred maize hybrids with high provitamin A carotenoid concentrations…”
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Usual nutrient intake adequacy among young, rural Zambian children by Caswell, Bess L, Talegawkar, Sameera A, Siamusantu, Ward, West, Keith P, Palmer, Amanda C

“…Inadequate nutrient intakes put children at risk for impaired growth and development. We described diet, usual intakes of energy and macro- and micronutrients…”
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Impact of Provitamin A Biofortified Maize Consumption on Carotenoid Status of Zambian Children by Craft, Neal E, Palmer, Amanda, Schulze, Kerry, Chileshe, Justin, Barffour, Maxwell, Siamusantu, Ward, Klemm, Rolf, West, Keith

“…Abstract only Objectives Provitamin A carotenoid biofortified “orange” maize has been developed as a vitamin A deficiency control strategy using selective…”
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Relative Contributions of Malaria, Inflammation, and Deficiencies of Iron and Vitamin A to the Burden of Anemia during Low and High Malaria Seasons in Rural Zambian Children by Barffour, Maxwell A., Schulze, Kerry J., Kalungwana, Ng'andwe, Moss, William J., West, Keith P., Chileshe, Justin, Siamusantu, Ward, Palmer, Amanda C.

“…To estimate the burden of anemia attributable to malaria, inflammation, and deficiency of iron or vitamin A during low and high malaria seasons among Zambian…”
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Nutritional Status Measures Are Correlated with Pupillary Responsiveness in Zambian Children by Healy, Katherine, Palmer, Amanda C, Barffour, Maxwell A, Schulze, Kerry J, Siamusantu, Ward, Chileshe, Justin, West, Jr, Keith P, Labrique, Alain B

“…Impairments in visual function have been well characterized in vitamin A deficiency. However, eye function may also be sensitive to other nutrient…”
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Changes in Dietary Variety Scores over Six Months Among 4‐ to 8‐year‐old Zambian Children by Lewis, Bess, Dyer, Brian, Siamusantu, Ward, Klemm, Rolf, Talegawkar, Sameera, Schulze, Kerry, Palmer, Amanda, West, Keith

“…Abstract only Dietary variety scores are often used as indicators of dietary quality, especially among women and children in resource‐poor settings. However,…”
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High Iron Stores in the Low Malaria Season Increase Malaria Risk in the High Transmission Season in a Prospective Cohort of Rural Zambian Children by Barffour, Maxwell A, Schulze, Kerry J, Coles, Christian L, Chileshe, Justin, Kalungwana, Ng'andwe, Arguello, Margia, Siamusantu, Ward, Moss, William J, West, Jr, Keith P, Palmer, Amanda C

“…Higher iron stores, defined by serum ferritin (SF) concentration, may increase malaria risk. We evaluated the association between SF assessed during low…”
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Child dietary intake data by tablet‐based 24‐hour recall in rural Zambia (36.3) by Lewis, Bess, Siamusantu, Ward, Dyer, Brian, Talegawkar, Sameera, Klemm, Rolf, Schulze, Kerry, Palmer, Amanda, West, Keith

“…Digital data collection represents the leading edge for dietary assessment in rural areas of low‐income countries, providing ease of use, speed of training and…”
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Malaria exacerbates inflammation‐associated elevation in ferritin and soluble transferrin receptor with only modest effects on iron deficiency and iron deficiency anaemia among rural Zambian children by Barffour, Maxwell A., Schulze, Kerry J., Coles, Christian L., Chileshe, Justin, Kalungwana, Ng'andwe, Siamusantu, Ward, Arguello, Margia, Moss, William J., West, Keith P., Palmer, Amanda C.

“…Objective In 4‐ to 8‐year‐old Zambian children (n = 744), we evaluated the effects of adjusting for inflammation (α1‐acid glycoprotein >1 g/l), with or without…”
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Assessing Child Nutrient Intakes Using a Tablet-Based 24-Hour Recall Tool in Rural Zambia by Caswell, Bess L., Talegawkar, Sameera A., Dyer, Brian, Siamusantu, Ward, Klemm, Rolf D. W., Palmer, Amanda C.

“…Background: Detailed dietary intake data in low-income populations are needed for research and program evaluation. However, collection of such data by…”
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Provitamin A-biofortified maize increases serum [Beta]-carotene, but not retinol, in marginally nourished children: a cluster-randomized trial in rural Zambia by Palmer, Amanda C, Siamusantu, Ward, Chileshe, Justin, Schulze, Kerry J, Barffour, Maxwell, Craft, Neal E, Molobeka, Ngosa, Kalungwana, Ng'andwe, Arguello, Margia A, Mitra, Maithilee, Caswell, Bess, Klemm, Rolf DW, West, Keith P

“…Vitamin A deficiency remains a nutritional concern in sub-Saharan Africa. Conventionally bred maize hybrids with high provitamin A carotenoid concentrations…”
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Provitamin A–biofortified maize increases serum β-carotene, but not retinol, in marginally nourished children: a cluster-randomized trial in rural Zambia12 by Palmer, Amanda C, Siamusantu, Ward, Chileshe, Justin, Schulze, Kerry J, Barffour, Maxwell, Craft, Neal E, Molobeka, Ngosa, Kalungwana, Ng’andwe, Arguello, Margia A, Mitra, Maithilee, Caswell, Bess, Klemm, Rolf DW, West, Keith P

“…Background: Vitamin A deficiency remains a nutritional concern in sub-Saharan Africa. Conventionally bred maize hybrids with high provitamin A carotenoid…”
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Impact of provitamin A biofortified maize on vitamin A status in Zambian children (646.6) by Palmer, Amanda, Chileshe, Justin, Schulze, Kerry, Siamusantu, Ward, Klemm, Rolf, Molobeka, Ngosa, Barffour, Maxwell, Kalungwana, Ng'andwe, Arguello, Margia, West, Keith

“…Vitamin A (VA) deficiency remains a nutritional concern in Sub‐Saharan Africa. We conducted a cluster‐randomized controlled trial to test the impact of proVA…”
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Comparability of Inflammation-Adjusted Vitamin A Deficiency Estimates and Variance in Retinol Explained by C-Reactive Protein and α1-Acid Glycoprotein during Low and High Malaria Transmission Seasons in Rural Zambian Children by Barffour, Maxwell A., Schulze, Kerry J., Coles, Christian L., Chileshe, Justin, Kalungwana, Ng’andwe, Arguello, Margia, Siamusantu, Ward, Moss, William J., West, Jr, Keith P., Palmer, Amanda C.

“…Inflammation-induced hyporetinolemia (IIH), a reduction in serum retinol (SR) during inflammation, may bias population estimates of vitamin A deficiency (VAD)…”
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