Validation and calibration of a semiquantitative food frequency questionnaire designed for adolescents.

@article{Arajo2010ValidationAC,
  title={Validation and calibration of a semiquantitative food frequency questionnaire designed for adolescents.},
  author={Marina Campos Ara{\'u}jo and Edna Massae Yokoo and Ros{\^a}ngela Alves Pereira},
  journal={Journal of the American Dietetic Association},
  year={2010},
  volume={110 8},
  pages={1170-7}
}
BACKGROUND Epidemiologic studies must have a reliable method for evaluating food intake; therefore, valid, precise, and practical instruments are essential. OBJECTIVE To assess the relative validity and estimate the calibration factors of a semiquantitative food frequency questionnaire (FFQ) for adolescents. DESIGN Validation and calibration study. SUBJECTS/SETTINGS This study enrolled 169 adolescents from Rio de Janeiro, Brazil. A set of three food records was used as the reference… CONTINUE READING

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Association between socioeconomic factors and food insecurity : A population - based study in the Rio de Janeiro metropolitan area , Brazil

R Salles-Costa, RA Pereira, +3 authors BC Jardim
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