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Table 2 Mean nutrient intakes consumed by pregnant women in rural Shaanxi China 2004

From: Assessment of dietary intake among pregnant women in a rural area of western China

 

Mean*

nutrient intake based on FFQ (n = 1420)

Mean intake by women in rural areas (2002 NNHS) (n = 12483)

Mean intake by pregnant women in rural areas (2002 NNHS) (n = 255)

Mean† nutrient intake based on FFQ (reference male†/d) (n = 1420)

Overall mean* intake of 2002 NNHS (reference male†/d) (n = 68962)

Energy (Kcal)

2331.9

2317.6

2396.7

2433.3

2250.5

Protein (g)

63.4

65.3

67.9

66.1

65.9

Fat (g)

57.0

71.9

77.5

59.5

76.3

Carbohydrate (g)

391.2

351.1

356.1

408.2

321.2

Dietary fiber (g)

19.6

12.9

13.9

20.4

12.0

Vitamin A (μgRE) ‡

572.0

453.7

486.4

596.8

469.2

Retinol (μg)

103.0

120.8

144.9

107.5

151.1

Total Vitamin E (mg)

40.1

33.9

45.9

41.9

35.6

Niacin (mg)

12.2

-

-

12.7

14.7

Vitamin C (mg)

106.3

95.6

95.0

111.0

88.4

Thiamine (mg)

1.4

1.1

1.1

1.5

1.0

Riboflavin (mg)

0.9

0.7

0.8

1.0

0.8

Calcium (mg)

453.7

375.0

362.4

473.4

388.8

Phosphorus (mg)

1147.6

-

-

1197.5

978.8

Potassium (mg)

2389.6

-

-

2493.5

1700.1

Magnesium (mg)

407.6

-

-

425.3

308.8

Iron (mg)

23.2

23.7

24.5

24.2

23.2

Zinc (mg)

8.9

11.3

11.7

9.3

11.3

Selenium (μg)

42.7

-

-

44.5

39.9

Copper (mg)

1.9

-

-

2.0

2.2

Manganese (mg)

7.1

-

-

7.5

6.8

Folate (μg)

265.9

-

-

-

-

Phytate (mg)

1334.3

-

-

1392.3

1186.0

Phytate: calcium

0.2

-

-

-

0.2

Phytate: iron

5.5

-

-

-

4.9

Phytate: zinc

16.8

-

-

-

11.1

Phytate × calcium:zinc (mmol/day)

168.2

-

-

-

89.0

  1. * The median daily phytate intake and median molar ratio of phytate to calcium, iron, zinc and phytate × calcium:zinc are presented.
  2. † The reference man is defined as males aged 18 years, undertaking light physical activity, whose daily reference energy intake is 2400 kcal [21]. Therefore, daily nutrient intakes were adjusted by daily nutrient intake times 2400 kcal divided by her recommended nutrient intakes (RNIs) of energy. The equation is expressed as dietary intakes × 2400/2300 (Pregnant women RNI of energy [21]).
  3. ‡ Calculated as: 1 μgRE Vitamin A = 1 μg retinol+ 1/6 μg carotene.
  4. Legend: Mean daily nutrient intakes and molar ratios of dietary phytate: calcium, iron and zinc, and phytate × calcium: zinc pregnant women in rural Shaanxi China 2004 compared to the 2002 Chinese National Nutrition and Health Survey (2002 NNHS) [12, 15].