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Fig. 8 | BMC Nutrition

Fig. 8

From: Measuring energy, macro and micronutrient intake in UK children and adolescents: a comparison of validated dietary assessment tools

Fig. 8

Summary plot for studies validating folate intake between tool and reference method in infants, children and adolescents. m = males; f = females; m + f = males & females. Relative sample size circle produced where n > 50. 1 = food diary weighed, 2 = food diary semi-weighed, 3 = food diary estimated, 4 = dietary recall, 5 = diet history, 6 = FFQ, 7 = food check list

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