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Volume 2011, Article ID 986303, 9 pages
Clinical Study

Nutrition and Iron Status of 1-Year Olds following a Revision in Infant Dietary Recommendations

1Unit for Nutrition Research, Landspitali-The National University Hospital of Iceland, Eiríksgata 29, 101 Reykjavik, Iceland
2Faculty of Food Science and Nutrition, University of Iceland, 101 Reykjavik, Iceland
3Children's Hospital, Landspitali-The National University Hospital of Iceland, 101 Reykjavik, Iceland

Received 24 May 2011; Accepted 10 June 2011

Academic Editor: Bruno Annibale

Copyright © 2011 Asa V. Thorisdottir et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A previous study showed low iron status in 12-month-old Icelandic infants associated most strongly with cow's milk intake and growth. Infant dietary recommendations were revised in 2003. This study investigated nutrition and iron status in a new infant cohort. Subjects/Methods. Randomly selected infants were prospectively investigated for diet, anthropometry, and iron status ( = 110–141). Results. Breastfeeding initiation rate was 98%; 38% of 5-month olds were exclusively and 20% of 12-month olds partially breastfed. Formula was given to 21% of 6-month olds and 64% of 12-month olds, but cow's milk to 2.5% and 54.4% of 6- and 12-month olds, respectively. Iron depletion (serum ferritin < 12 μg/L) affected 5.8%, 1.4% were also iron deficient (MCV < 74 fl), and none were anemic (Hb < 105 g/l). Iron status associated negatively with growth and breastfeeding duration and positively with meat and formula intake at 9–12 months, but not with cow's milk. Conclusion. Improved iron status might be explained by a shift from cow's milk to formula in the diet of Icelandic 6–12-month olds. Dietary changes altered associations between foods and iron status.