Fitness-for-purpose of dietary survey duration: a case-study with the assessment of exposure to ochratoxin A.

@article{Counil2006FitnessforpurposeOD,
  title={Fitness-for-purpose of dietary survey duration: a case-study with the assessment of exposure to ochratoxin A.},
  author={Emilie Counil and Philippe Verger and J L Volatier},
  journal={Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association},
  year={2006},
  volume={44 4},
  pages={499-509}
}
The duration of food consumption survey may have a marked effect on estimates of usual nutrient intakes in individuals and groups. This arises from a high degree of within-person variability in food intakes, primarily on a day-to-day basis. Both the level of observation-populations versus individuals-and the desirable level of precision decide upon the 'fitness-for-purpose' of dietary survey duration. Though similar from a methodological standpoint, the question was rarely addressed in the case… CONTINUE READING

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