Skip to main content

Table 2 BDHQ results by quartiles of protein intake (N = 833)

From: Dietary protein intake and all-cause mortality: results from The Kawasaki Aging and Wellbeing Project

Characteristics

mean/n

SD/%

Protein intake (%Energy)

Q1

–14.7

 N = 208

Q2

–16.7

 N = 208

Q3

–19.1

 N = 209

Q4

19.1–

N = 208

P value

Energy (kcal/day)

2,038

606

1,957

2,041

2,080

2,076

0.016

Carbohydrate (%E)

50.5

7.64

55.4

53.3

49.1

44.1

<0.001

Protein (%E)

17.0

3.18

13.1

15.7

17.9

21.2

<0.001

 Animal protein (%E)

10.3

3.35

6.52

9.06

11.1

14.5

<0.001

 Plant protein (%E)

6.71

1.15

6.66

6.71

6.75

6.72

0.58

  Fish (g/1,000 kcal)

42.2

25.5

20.3

34.3

45.6

68.6

<0.001

  Meats (g/1,000 kcal)

45.8

29.8

29.0

40.1

51.3

62.4

<0.001

  Eggs (g/1,000 kcal)

27.8

17.2

19.5

26.8

31.6

33.4

<0.001

  Dairy products (g/1,000 kcal)

108

67.0

90.1

111

110

121

<0.001

Fat (%E)

29.4

5.29

25.9

28.1

30.9

32.8

<0.001

 Total fatty acid (%E)

25.4

4.66

22.5

24.2

26.6

28.0

<0.001

 SFA (%E)

8.10

1.84

7.40

7.87

8.34

8.77

<0.001

 MUFA (%E)

10.3

2.14

9.18

9.88

10.9

11.4

<0.001

 PUFA (%E)

6.92

1.44

5.96

6.52

7.35

7.82

<0.001

  n-6PUFA (%E)

5.39

1.16

4.82

5.14

5.72

5.85

<0.001

  n-3PUFA (%E)

1.50

0.44

1.11

1.35

1.60

1.92

<0.001

   EPA (%E)

0.20

0.12

0.10

0.16

0.21

0.31

<0.001

   DPA (%E)

0.57

0.30

0.32

0.49

0.61

0.86

<0.001

   DHA (%E)

0.33

0.01

0.18

0.28

0.35

0.50

<0.001

  1. P-value was assessed with trend test on mean values of each quartile
  2. Abbreviations: SFA: saturated fat acids, MUFA: monounsaturated fat acids, PUFA: polyunsaturated fat acid, EPA: eicosapentaenoic acid, DPA: docosapentaenoic acid, DHA: docosahexaenoic acid