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Table 5 Nutritional status and hematological biomarkers following intervention

From: Fortified breakfast cereal consumed daily for 12 wk leads to a significant improvement in micronutrient intake and micronutrient status in adolescent girls: a randomised controlled trial

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Unfortified cereal (n = 37)

Fortified cereal (n = 34)

P valuea

 

Pre-intervention

Post-intervention

Pre-intervention

Post-intervention

 
 

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

 

EGRACb

1.68 (0.25)

1.65 (0.18)

1.58 (0.13)

1.38 (0.15)*

<0.001

Plasma holoTCc (pmol/L)

40.7 (16.27)

39.4 (7.44)

35.3 (12.94)

42.8 (13.66)**

<0.001

Plasma 5MeTHFd (nmol/L)

15.4 (8.09)

14.1 (6.90)

17.3 (7.96)

32.9 (16.16)**

<0.001

Plasma 25(OH)De (nmol/L)

39.4 (22.77)

30.6 (18.74)*

42.5 (29.21)

43.7 (28.22)

<0.001

Plasma ferritin (ng/ml)

21.7 (14.42)

18.4 (11.63)

19.3 (12.38)

22.1 (16.73)**

<0.001

Hemoglobin (g/L)

128 (8.03)

128 (6.63)

130 (7.96)

130 (7.68)

0.876

Hematocrit

0.38 (0.03)

0.38 (0.02)

0.38 (0.02)

0.38 (0.02)

0.687

Mean cell volume (fl)

85.0 (4.31)

84.1 (4.33)*

84.0 (3.84)

83.2 (3.82)*

0.876

  1. *significantly lower than value pre-intervention (paired t test; P < 0.05)
  2. **significantly higher than value pre-intervention (paired t test; P < 0.05)
  3. asignificance of difference between cereal groups after intervention, corrected for baseline (ANOVA)
  4. berythrocyte glutathione reductase activation coefficient
  5. cholotranscobalamin
  6. d5-methyltetrahydrofolate
  7. e25-hydroxyvitamin D