Relative validity of a semi-quantitative food-frequency questionnaire in an elderly Mediterranean population of Spain.

@article{FernandezBallart2010RelativeVO,
  title={Relative validity of a semi-quantitative food-frequency questionnaire in an elderly Mediterranean population of Spain.},
  author={Joan D. Fernandez-Ballart and Josep Llu{\'i}s Pi{\~n}ol and Itziar Zazpe and Dolores Corella and Paula Carrasco and Estefan{\'i}a Toledo and Manuel Perez-Bauer and Miguel {\'A}ngel Mart{\'i}nez-Gonz{\'a}lez and Jorge Salas-Salvad{\'o} and Jos{\'e} Mar{\'i}a Mart{\'i}n-Moreno},
  journal={The British journal of nutrition},
  year={2010},
  volume={103 12},
  pages={1808-16}
}
The aim of the present study was to assess reproducibility and relative validity of a self-administered FFQ used in the PREDIMED Study, a clinical trial for primary prevention of CVD by Mediterranean diet in a population at high cardiovascular risk. The FFQ was administered twice (FFQ1 and FFQ2) to explore reproducibility at 1 year. Four 3 d dietary records (DR) were used as reference to explore validity; participants therefore recorded their food intake over 12 d in the course of 1 year. The… CONTINUE READING
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