Validity and reproducibility of a semi-quantitative food frequency questionnaire for use among pregnant women in rural China.

@article{Cheng2008ValidityAR,
  title={Validity and reproducibility of a semi-quantitative food frequency questionnaire for use among pregnant women in rural China.},
  author={Yue Hong Cheng and Hong Yan and Michael J. Dibley and Yuan Shen and Qiang Li Li and Lingxia Zeng},
  journal={Asia Pacific journal of clinical nutrition},
  year={2008},
  volume={17 1},
  pages={166-77}
}
A longitudinal study was conducted to validate a 68-item semi-quantitative food-frequency questionnaire (FFQ) for assessing nutrient intake among pregnant women in rural China. The interview administrated FFQs were conducted at the start of the third trimester (FFQ1) and repeated three months later prior to delivery (FFQ2), and compared with six repeated 24-hour recalls collected between the FFQs. From June to September 2004, 125 women at 23 to 26 weeks of gestation were recruited into the… CONTINUE READING
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