Table 6 Median comparison of nutrient intake between two FFQ and average of 24-HDR among participants in Shanghai Diet and Health Study for women

Energy(kcal)

1509.2

1246.5–1781.6

1523.0

1271.4–1749.7

1419.6

1151.6–1701.7

0.66

0.66

Protein(g)

52.4

41.0–64.1

51.7

42.1–63.6

54.5

42.6–67.7

0.56

0.28

Fat(g)

48.6

36.6–63.8

48.1

35.4–61.9

57.5

45.1–74.6

0.72

0.63

Carbohydrate (g)

215.7

171.4–269.3

218.3

176.9–264.5

162.3

126.6–204.6

0.60

0.32

Protein(% energy)

14.1

12.4–15.9

13.8

12.3–15.8

15.1

13.1–17.3

0.66

0.65

Fat(% energy)

27.6

21.4–34.1

27.4

21.3–34.1

40.2

33.3–47.2

0.67

0.66

Carbohydrate (% energy)

59.5

52.8–65.5

59.1

53.1–66

45.2

38.8–51.3

0.66

0.66

Vitamin A(μg)

307.2

220.0–411.2

308.6

216.8–412.9

352.5

236.5–496.6

0.55

0.51

Carotene(μg)

936.9

678.2–1336.5

947.8

628.6–1288.7

1199.6

704.8–1967.2

0.60

0.55

Retinol(μg)

137.6

86.5–196.6

134.0

82.2–196.2

131.1

81.1–187.9

0.58

0.56

Vitamin D(IU)

12.4

4.1–26.6

6.3

2.5–14.4

0.0

0.00

0.63

0.65

Vitamin E(mg)

19.5

12.8–26.5

18.3

10.8–25.5

21.2

15.2–31.1

0.77

0.68

Vitamin K(μg)

8.1

4.0–12.9

12.5

5.4–21.5

0.0

0.00

0.62

0.63

Thiamine(mg)

0.6

0.5–0.7

0.6

0.5–0.7

0.6

0.4–0.8

0.59

0.28

Riboflavin(mg)

0.7

0.5–1

0.7

0.5–0.9

0.7

0.5–0.9

0.51

0.47

Vitamin B6(mg)

0.0

0.00

0.0

0.00

0.0

0.00

0.59

0.59

Vitamin B12(μg)

0.0

0.00

0.0

0.00

0.0

0.00

0.66

0.65

Niacin(mg)

10.0

8.0–12.3

10.3

8.5–12.8

11.7

9.2–15.1

0.53

0.37

Folate (μg)

10.3

6.6–15.5

11.3

7.2–17.1

2.4

0.1–17.3

0.61

0.57

Biotin(μg)

1.2

0.6–1.8

0.9

0.4–1.5

0.3

0.0–0.8

0.64

0.62

Choline(mg)

8.0

3.0–16.4

4.2

0.7–11.3

0.0

0.0–1.7

0.64

0.63

Vitamin C (mg)

48.3

33.4–64.2

47.9

32.0–64.4

56.8

37.9–82.1

0.58

0.53

Calcium (mg)

376.6

245.3–561.8

366.8

250.2–538.1

374.5

255.7–545.8

0.54

0.49

Phosphorus (mg)

775.1

592.3–958.5

756.2

592.5–944.1

782.4

615.4–952.8

0.52

0.34

Potassium (mg)

1395.7

1028.9–1781.5

1332.5

1017.4–1669.9

1453.4

1075.5–1823.4

0.50

0.47

Sodium (mg)

3299.1

901.5–5089

3180.2

704.5–4843.4

3787.2

2716.7–5064.7

0.71

0.67

Magnesium (mg)

207.5

163.6–257.2

205.5

167.5–252.2

208.6

164.6–265.8

0.51

0.32

Iron (mg)

14.1

11.4–17.7

13.9

11.5–17.1

15.3

12.2–19.5

0.52

0.31

Zinc (mg)

8.2

6.6–9.9

8.2

6.9–10

7.8

6.2–9.5

0.49

0.20

Selenium(μg)

39.1

28.4–49.3

37.3

29.0–50.1

39.7

28.8–52.7

0.60

0.37