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Table 4 Daily median intakes of food groups (g day-1) estimated by the two food frequency questionnaires (FFQs) and twelve 24-hour recalls, and correlations between the two dietary methods a

From: Use of a food frequency questionnaire to assess diets of Jamaican adults: validation and correlation with biomarkers

  Repeat 24- hour recalls
Median
FFQ 1
Median
FFQ 2
Median
Spearman's r24-hr recalls vs. FFQ 1 Spearman's r24-hr recalls vs. FFQ 2
Cereals (g) 469.7 492.4 487.0 ab. 0.39 0.42
Poultry (g) 48.1 36.6 55.1 ab 0.30 0.37
Red meat (g) 16.9 14.1 15.2 0.55 0.61
Fish (g) 29.5 23.5 27.7 0.38 0.53
Eggs (g) 7.4 6.7 6.4 0.56 0.54
Fruits (g) 394.4 430.0 373.3 ab 0.27 0.30
Dark green leafy and yellow vegetables (g) 85.8 89.0 97.9 b 0.53 0.45
Other vegetables (g) 50.1 57.1 56.5 0.46 0.45
Peas and beans (g) 19.4 21.5 22.4 0.44 0.39
  1. a FFQ1 significantly different from FFQ 2.
  2. b FFQ intake significantly different from repeat recalls.