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Fig. 2 | Nutrition Journal

Fig. 2

From: Validation and reproducibility of a semi-qualitative food frequency questionnaire for assessment of sodium intake in Iranian population

Fig. 2

Bland-Altman plots of the mean bias (difference in agreement) between sodium intake assessed by food frequency questionnaire and 24-h recall (A) Time 1, (B) Time 2 or measured 24-h urinary sodium excretion (C) Time 1, (D) Time 2 in adult participants. The mean bias for each individual is the assessed sodium intake by food frequency questionnaire minus assessed by 24-h recall (A and B) or minus measured 24-h urinary excretion (C and D) and is plotted against the mean of sodium intake assessed by food frequency questionnaire and 24-h recall (A and B) or assessed by food frequency questionnaire and measured 24-h urinary sodium excretion (C and D)

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Nutrition Journal

ISSN: 1475-2891

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