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Table 2 Intraclass and bivariate correlation coefficients comparing estimated intakes by weighed food records and 24-h dietary recallsa

From: Validation of triple pass 24-hour dietary recall in Ugandan children by simultaneous weighed food assessment

Nutrient Weighed Food Record Combined Dietary Recalls  
  Mean SD Mean SD ICC (95 % CI) r (p-value)
Energy (kJ) 6563 1706 6335 1537 0.98 (0.90–0.98) 0.96*
Protein (g) 40.0* 12.9 36.4* 11.4 0.97 (0.90–0.99) 0.985*
Iron (mg) 6.6 2.6 6.0 2.0 0.94 (0.84–0.98) 0.91*
  1. SD standard deviation, ICC intraclass correlation coefficient, CI confidence interval, r correlation coefficient
  2. aICCs compared absolute agreement of average measures, using a two-way random model
  3. *p < 0.001
  4. *p = 0.02