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Figure 2 | Nutrition Journal

Figure 2

From: Validity and reproducibility of folate and vitamin B12 intakes estimated from a self-administered diet history questionnaire in Japanese pregnant women

Figure 2

Bland-Altman plot comparing vitamin B 12 intake estimated from the two-time DHQ. DHQ: self-administered diet history questionnaire. Difference between vitamin B12 intakes estimated from the two-time DHQ for each person (y-axis) is plotted against the mean vitamin B12 intake averaged from the two-time DHQ (x-axis). The mean difference and the upper and lower 95% limits of agreement are shown by dotted lines.

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Nutrition Journal

ISSN: 1475-2891

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