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Table 3 Dietary intake (24-hr recall) and basic biochemistry of the participants (normal & deficient)

From: Daily milk intake improves vitamin B-12 status in young vegetarian Indians: an intervention trial

 

All (n = 51)

Normal (n = 22)

Deficient (n = 29)

p value

Age (years)

27.6(26,30)

29.0(27 – 31.0)

30.6 (28.5-32)

ns

Male/female

14/37

4/18

10/19

 

Energy intake (calorie)/d

2240 (2080,2280)

2390 (2220,2480)

2200 (2080,2270)

ns

Protein intake (g)/d

62 (52,80)

58 (50,82)

64 (55,80)

ns

Fat (g/d)

45 (38,50)

44 (35,50)

43 (37,55)

ns

Vitamin B-12 intake (μ g/day)

1.20

1.65

0.65

<0.02

(0.75,1.50)

(1.4,1.85)

(0.50,0.90)

 

Folate intake (μ g/day)

355 (320,400)

350.6 (310.4,415.4)

355.6 (318.2,425.4)

ns

Hemoglobin (g/L)

127 (117,136)

124 (114,130)

128 (123,135)

ns

Anemia%

14

14

14

 

Mean corpuscular volume (fL)

84.0 (81.0,90.5)

80.5 (75.0,85.0)

84.3 (82.2,90.4)

ns

Plasma creatinine (mg/dL)

1.0 (0.9,1.1)

0.9 (0.8,1.1)

1.0 (0.9,1.1)

ns

Plasma vitamin B-12* (pmol/L)

130 (98,217)

244 (187,306)

92.8 (71,117)

<0.0001

Plasma holo-TC (pmol/L)*

19.6 (13.1-31.1)

27.7 (19.8,42.5)

14.4 (10.82,19.75)

<0.0001

Plasma folate (ng/mL)

6.24 (4.2,14.90)

6.6 (4.0,15.2)

5.6 (4.6,12.8)

ns

Plasma tHcy ** (μ mol/L)

21.1 (12.7,32.7)

11.9 (10.4,15.0)

31.9 (22.6,54.0)

<0.001

  1. Median(25th, 75th centile) ns-non significant.
  2. p- difference between normal group & deficient group.
  3. * Vitamin B-12 intake is directly associated with pl. vitamin B-12 and holo-TC concentrations(r = 0.52 & 0.27, p < 0.001 for both) adjusting for sex.
  4. ** vitamin B-12 intake is inversely associated with pl. tHcy concentrations(r = - 0.43, p < 0.001).