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Table 2 Serum folate concentrations and dietary intake of folate in the study sample of Cretan adults.1

From: Dietary and other lifestyle correlates of serum folate concentrations in a healthy adult population in Crete, Greece: a cross-sectional study

  

Serum folate

% ≤7

 

Folate intake

% <400

  

(nmol/l)2

nmol/l

 

(μg/d)3

(μg/1000 kcal/d)

μg/d

Men

       

20–34 y

(n = 107)

13.8 (12.5–15.3)

7.5

(n = 103)

248 (213–283)

119 (106–133)

83.5

35–50 y

(n = 80)

16.0 (14.2–18.0)

6.3

(n = 72)

351 (297–406)

174 (149–198)

69.4

>50 y

(n = 63)

18.6 (15.8–21.9)4

6.3

(n = 20)

325 (242–407)5

166 (130–201)6

65.0

Total

(n = 250)

15.6 (14.6–16.8)

6.8

(n = 195)

294 (265–323)

144 (132–157)

76.4

Women

       

20–34 y

(n = 101)

17.4 (15.8–19.2)

3.0

(n = 96)

247 (207–288)

159 (134–184)

86.5

35–50 y

(n = 79)

19.4 (17.2–22.0)

1.3

(n = 72)

242 (198–287)

155 (133–177)

88.9

>50 y

(n = 56)

22.8 (19.3–26.9)7

1.8

(n = 17)

266 (160–372)

192 (129–255)

76.5

Total

(n = 236)

19.2 (17.9–20.7)

2.1

(n = 185)

247 (219–275)

161 (144–177)

86.5

  1. 1 Data are presented as geometric mean (95% confidence interval).
  2. 2 Men had significantly lower serum folate concentrations than women (p < 0.001).
  3. 3 Men had significantly higher intake of dietary folate (μg/d) than women (p = 0.003).
  4. 4 p = 0.001 (trend by age).
  5. 5 p = 0.003 (trend by age).
  6. 6 p < 0.001 (trend by age).
  7. 7 p = 0.008 (trend by age).