Validation of the American Cancer Society Cancer Prevention Study II Nutrition Survey Cohort Food Frequency Questionnaire.

@article{Flagg2000ValidationOT,
  title={Validation of the American Cancer Society Cancer Prevention Study II Nutrition Survey Cohort Food Frequency Questionnaire.},
  author={Elaine W. Flagg and Ralph J. Coates and Eugenia E. Calle and Nancy Potischman and Michael J. Thun},
  journal={Epidemiology},
  year={2000},
  volume={11 4},
  pages={462-8}
}
We assessed the validity and reproducibility of a self-administered 68-item food frequency questionnaire completed in 1992-1993 by approximately 185,000 adults. Four hundred forty-one participants completed four 24-hour dietary recall interviews over a 1-year period and a repeat administration of the food frequency questionnaire. For 20 nutrients and 10 food groups, measured nutrient intakes, but not food group intakes, were consistently lower by food frequency questionnaire than by recall… CONTINUE READING

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