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

Nutrition Journal

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

Nutrients	24 Hour Recalls Vs Food Frequency Questionnaire1
Nutrients	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^*

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