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Table 4 Validity of Food Frequency Questionnaire: Pearson correlations between first food frequency questionnaire and mean of three 24 Hour Recalls

From: Adaptation and validation of a food frequency questionnaire (FFQ) to assess dietary intake in Moroccan adults

Nutrients 24 Hour Recalls Vs Food Frequency Questionnaire1
Unadjusted Energy adjusted De-attenuated
Energy (kcal) 0.67* 0.69*
Carbohydrates(g) 0.63* 0.60* 0.66*
Proteins (g) 0.34* 0.29* 0.35*
Fat (g) 0.26* 0.19* 0.28*
Total MUFA(g) 0.89* 0.86* 0.93*
Total PUFA(g) 0.87* 0.84* 0.91*
Total SFA(g) 0.79* 0.82* 0.90*
Vitamin A (μg) 0.55* 0.52* 0.72*
Vitamin C (mg) 0.62* 0.40* 0.63*
Vitamin E (mg) 0.71* 0.70* 0.74*
Selenium (μg) 0.36* 0.33* 0.38*
Magnesium (mg) 0.56* 0.43* 0.66*
Calcium (mg) 0.46* 0.42* 0.55*
Iron (mg) 0.69* 0.58* 0.74*
Fiber (g) 0.23* 0.21* 0.24*
  1. *Energy and nutrients were transformed (log10) to improve normality *p ≤ 0.01