Nutrient intake variability and number of days needed to assess intake in preschool children.

@article{Erkkola2011NutrientIV,
  title={Nutrient intake variability and number of days needed to assess intake in preschool children.},
  author={Maijaliisa Erkkola and Pipsa Kytt{\"a}l{\"a} and Hanna-Mari Takkinen and Carina Kronberg-Kippil{\"a} and Jaakko Nevalainen and Olli Simell and Jorma Ilonen and Riitta K. Veijola and Mikael Knip and Suvi Mirjami Virtanen},
  journal={The British journal of nutrition},
  year={2011},
  volume={106 1},
  pages={130-40}
}
The duration of the period of time during which diet should be recorded for sufficiently accurate results on the usual intake of an individual is an especially challenging issue in prospective studies among children. We set out to describe nutrient intake variability in preschoolers and to determine the number of record days required (D) to estimate intake of energy and thirty-two nutrients. The diet and the use of dietary supplements were assessed with three consecutive daily food records… CONTINUE READING
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