Dietary intake assessments in epidemiology: can we know what we are measuring?

@article{Kaaks2006DietaryIA,
  title={Dietary intake assessments in epidemiology: can we know what we are measuring?},
  author={Rudolf Kaaks and Pietro Ferrari},
  journal={Annals of epidemiology},
  year={2006},
  volume={16 5},
  pages={377-80}
}
PURPOSE We discuss fundamental assumptions required for the validation of dietary questionnaire assessments, using latent variable models. METHODS We discuss some methodological aspects of latent variable modelling in terms of the triad method, for comparisons between questionnaire assessments, food consumption records and/or biomarkers. In particular, we address the recent proposal (Frazer et al) that biases due to correlated random errors between different measurement types could be… CONTINUE READING

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