Table 5

Mean nutrient intakes in relation to serum folate quartiles in the study sample of Cretan adults.

Serum folate quartiles (age- & gender-specific)

Correlation coefficient (r)


Q1

Q2

Q3

Q4

Age/gender-adjusted1

Multivariate-adjusted2


Energy (kcal)

1700

1769

1595

1647

-0.03

-

Carbohydrates (g)

179.1

184.7

192.7

185.2

-0.01

0.03

% energy

44.5

45.3

47.7

45.4

0.03

0.03

Protein (g)

67.8

60.0

62.4

61.3

-0.06

-0.06

% energy

14.5

13.3

13.2

14.0

-0.06

-0.06

Total fat (g)

72.6

72.5

70.8

72.3

-0.01

0.02

% energy

41.1

40.9

39.5

40.2

0.00

0.00

SFA (g)

19.3

19.6

19.4

18.3

-0.05

-0.05

% energy

11.7

11.6

11.7

11.0

-0.04

-0.05

PUFA (g)

8.8

9.2

8.8

8.7

0.00

0.03

% energy

5.4

5.5

5.3

5.2

0.01

0.01

MUFA (g)

30.1

33.0

31.6

33.7

0.09

0.123

% energy

18.4

19.6

18.9

20.6

0.13 3

0.123

Trans FA (g)

1.4

1.3

1.5

1.1

-0.08

-0.07

n-6 FA (g)

8.8

8.0

8.3

7.4

-0.05

-0.02

n-3 FA (g)

0.9

0.7

0.8

0.6

-0.05

-0.03

Cholesterol (mg)

192.4

170.2

206.1

166.3

-0.04

-0.03

Fibre (g)

13.5

16.3

18.1

18.0

0.174

0.205

Calcium (mg)

549.5

622.9

648.3

697.1

0.103

0.143

Iron (mg)

10.6

10.5

11.6

11.2

0.04

0.08

Magnesium (mg)

233.7

243.5

238.8

258.7

0.04

0.103

Phosphorous (mg)

928.6

946.2

917.2

946.0

-0.03

-0.02

Sodium (mg)

1507

1583

1678

1492

-0.02

0.01

Potassium (mg)

2289

2191

2185

2565

0.08

0.09

Folate (μg)

187.8

211.1

220.9

232.5

0.113

0.144

Niacin (mg)

13.3

13.1

14.0

12.7

-0.03

0.01

Vitamin A (μg)

538.1

546.6

768.3

1011

0.235

0.235

Vitamin E (mg)

6.1

7.0

7.0

7.6

0.154

0.154

Vitamin C (mg)

75.5

80.9

93.4

133.4

0.225

0.215

Vitamin B1 (mg)

1.2

1.3

1.4

1.4

0.09

0.133

Vitamin B2 (mg)

1.2

1.3

1.4

1.4

0.04

0.06

Vitamin B6 (mg)

1.3

1.3

1.3

1.5

0.09

0.123

Vitamin B12 (μg)

4.0

3.1

4.0

3.0

-0.03

-0.03


1 Partial correlation coefficient between intakes of nutrients and serum folate concentrations (all log transformed) controlling for age and gender.

2 Partial correlation coefficient between intakes of nutrients and serum folate concentrations (all log transformed) controlling for age, gender, district of residence, body mass index, energy intake, consumption of tobacco, coffee, and alcohol.

3 p < 0.05

4 p < 0.01

5 p < 0.001

Hatzis et al. Nutrition Journal 2006 5:5   doi:10.1186/1475-2891-5-5

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