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Table 2 Correlations between folate intakes estimated from a 3-day weighed food record vs. blood folate indexes

From: How well do blood folate concentrations predict dietary folate intakes in a sample of Canadian lactating women exposed to high levels of folate? An observational study

 

4 wks

16 wks

 

n

r

P-value

n

r

P-value

Total folate 1

      

   Plasma folate

53

0.47

< 0.001

55

0.46

< 0.001

   RBC folate

53

0.32

< 0.05

55

0.36

<0.01

Synthetic folate 2

      

   Plasma folate

53

0.47

< 0.001

55

0.49

< 0.0001

   RBC folate

53

0.31

< 0.05

55

0.36

< 0.01

  1. 1 Total folate = (μg of natural dietary folate) + (μg of folic acid from fortification × 1.7) + (μg of folate from supplement × 1.7)
  2. 2 Synthetic folate = (μg of folate from supplement) + (μg of folic acid from fortification)
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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