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Table 3 Cross-classification for the comparison between first administration of the food frequency questionnaire (FFQ1) and three-day dietary record (3DR) (n = 112)

From: Development, validity and reproducibility of a whole grain food frequency questionnaire in Malaysian children

 

Cross-classification into quartiles; n (%)

 

Classified into same quartilea

Classified adjacentlya

Grossly misclassifiedb

Cohen’s Kappa

Whole grain daily intake

64 (57.1)

37 (33.0)

11 (9.9)

0.429 ***

  1. aClassified into the same or adjacent (±1) quartile
  2. bClassified into opposing g quartiles (by ≥2 quartiles)
  3. ***p < 0.001
  4. Difference in whole grain daily intake by FFQ 1 and 3-days food record (g/day)
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Nutrition Journal

ISSN: 1475-2891

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