Reproducibility and relative validity of a food frequency questionnaire for a diet-related study in a rural chinese population

HIGHLIGHTS

• who: Xudong Liu from the UniversityInformed written consent was provided by each participant. Data collection have published the paper: Reproducibility and relative validity of a food frequency questionnaire for a diet-related study in a rural Chinese population, in the Journal: nutrients and food between FFQ1 and DRs; weighted kappa statistic demonstrated fair to moderate agreements for
• what: The aim of this study was to assess the reproducibility and relative validity of the designed FFQ in relation to food and nutrients intake. The authors collected two three-consecutive-day dietary recalls, which have some advantages . . .
  

   

  

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