Reproducibility of a food frequency questionnaire for use in ocular research. Eye Disease Case-Control Study Group.

@article{Ajani1994ReproducibilityOA,
  title={Reproducibility of a food frequency questionnaire for use in ocular research. Eye Disease Case-Control Study Group.},
  author={Umed Ajani and Walter C Willett and Johanna M. Seddon},
  journal={Investigative ophthalmology & visual science},
  year={1994},
  volume={35 6},
  pages={2725-33}
}
PURPOSE Assessment of nutritional factors was an ancillary component of the Eye Disease Case-Control Study sponsored by the National Eye Institute. This multicenter study was designed to evaluate the role of potential risk factors for a number of retinal disorders. The authors examined the reproducibility of the food frequency questionnaire used in this study. METHODS A semiquantitative food frequency questionnaire, designed for use in this study, was self-administered by participants. To… CONTINUE READING
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