Reproducibility and validity of an FFQ developed for the Korea National Health and Nutrition Examination Survey (KNHANES).

@article{Kim2015ReproducibilityAV,
  title={Reproducibility and validity of an FFQ developed for the Korea National Health and Nutrition Examination Survey (KNHANES).},
  author={Dong Woo Kim and SuJin Song and Jung Eun Lee and Kyungwon Oh and Jeeseon Shim and Sanghui Kweon and Hee Young Paik and Hyojee Joung},
  journal={Public health nutrition},
  year={2015},
  volume={18 8},
  pages={1369-77}
}
OBJECTIVE We aimed to evaluate the reproducibility and validity of the newly developed FFQ for the Korean National Health and Nutrition Examination Survey (KNHANES) and to estimate the measure's calibration factors. DESIGN The 109-item FFQ was administered twice, approximately 9 months apart. We also collected four seasonal 3 d dietary records (DR) as a reference method. Correlation coefficients and joint classification were computed to compare intakes of energy, thirteen nutrients and eleven… CONTINUE READING
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