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American Journal of Clinical Nutrition, Vol 50, 630-640, Copyright © 1989 by The American Society for Nutrition

Behavioral effects of iron supplementation in infants in Madang, Papua New Guinea

Alison Heywood 1, Stephen Oppenheimer 1, Peter Heywood 1, and Damien Jolley 1

1 From the Papua New Guinea Institute of Medical Research, Madang, Papua New Guinea, the Department of Tropical Paediatrics, Liverpool School of Tropical Medicine, Liverpool, UK

The effect of iron supplementation on attending behavior of 96 1-y-old infants was assessed in a double-blind, randomized, controlled trial of iron dextran in Papua New Guinea. The treatment group received an injection of iron dextran at 2 mo; the controls received a placebo injection. Because many children had malarial parasitemia at testing, presence of malaria was used in the analysis. A significant interaction was found between iron and malaria infection on total fixation time: iron-supplemented groups and placebo-treated parasitemic children showed significantly higher total fixation scores than did placebo-treated aparasitemic children. Blood analysis of iron status showed similar results, with lowest iron status evident in the placebo-treated aparasitemic group. There was no effect of treatment on rate of habituation or dishabituation. Supplemental iron treatment has a significant effect on attention but the direction of the effect depends on the presence of malaria infection.

Key Words: Iron Supplementation • iron deficiency • visual attention • behavior • infants




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Copyright © 1989 by The American Society for Nutrition