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Table 5 Body composition in quintiles of total protein intake per body weight (gr/kg) in men and women (SE)

From: Evaluating type and amount of dietary protein in relation to metabolic syndrome among Iranian adults: cross-sectional analysis of Fasa Persian cohort study

 

Q1

Q2

Q3

Q4

Q5

P-value

Men (n = 1758)

 Right arm

FFM (kg)

3.28 (0.02)

3.19 (0.02)

3.05 (0.02)

2.93 (0.02)

2.75 (0.02)

 < 0.001

FATM (kg)

0.89 (0.01)

0.78 (0.01)

0.68 (0.01)

0.60 (0.01)

0.49 (0.01)

 < 0.001

FATP (%)

20.49 (0.26)

18.95 (0.26)

17.43 (0.26)

16.48 (0.26)

14.60 (0.26)

 < 0.001

 Left arm

FFM (kg)

3.25 (0.02)

3.19 (0.02)

3.06 (0.02)

2.91 (0.02)

2.74 (0.02)

 < 0.001

FATM (kg)

0.94 (0.01)

0.82 (0.01)

0.70 (0.01)

0.62 (0.01)

0.50 (0.01)

 < 0.001

FATP (%)

21.50 (0.29)

19.60 (0.28)

17.84 (0.28)

16.91 (0.28)

14.82 (0.29)

 < 0.001

 Right leg

FFM (kg)

9.95 (0.06)

9.74 (0.06)

9.36 (0.06)

9.04 (0.06)

8.62 (0.06)

 < 0.001

FATM (kg)

2.58 (0.04)

2.24 (0.04)

1.98 (0.04)

1.78 (0.04)

1.43 (0.05)

 < 0.001

FATP (%)

19.78 (0.29)

18.08 (0.29)

16.73 (0.28)

15.77 (0.28)

16.69 (0.28)

 < 0.001

 Left leg

FFM (kg)

9.79 (0.06)

9.53 (0.06)

9.17 (0.06)

8.82 (0.06)

8.38 (0.06)

 < 0.001

FATM (kg)

2.54 (0.04)

2.22 (0.04)

1.94 (0.04)

1.76 (0.04)

1.42 (0.04)

 < 0.001

FATP (%)

19.75 (0.27)

18.19 (0.27)

16.80 (0.27)

15.95 (0.27)

13.95 (0.27)

 < 0.001

 Trunk

FFM (kg)

31.20 (0.19)

30.88 (0.18)

29.96 (0.18)

28.98 (0.18)

27.74 (0.19)

 < 0.001

FATM (kg)

11.41 (0.21)

10.02 (0.21)

8.63 (0.21)

7.75 (0.21)

6.23 (0.21)

 < 0.001

FATP (%)

25.78 (0.40)

23.55 (0.40)

21.29 (0.40)

20.18 (0.40)

19.37 (0.40)

 < 0.001

 Total body

FFM (kg)

57.47 (0.35)

56.53 (0.35)

54.63 (0.35)

52.70 (0.35)

50.28 (0.35)

 < 0.001

FATM (kg)

18.35 (0.34)

16.05 (0.34)

13.87 (0.34)

12.46 (0.34)

10.04 (0.34)

 < 0.001

FATP (%)

23.28 (0.34)

21.29 (0.34)

19.36 (0.34)

18.33 (0.34)

15.84 (0.34)

 < 0.001

Women (n = 2419)

 Right arm

FFM (kg)

2.25 (0.01)

2.20 (0.01)

2.13 (0.01)

2.07 (0.01)

1.99 (0.01)

 < 0.001

FATM (kg)

1.57 (0.02)

1.39 (0.02)

1.25 (0.02)

1.09 (0.02)

0.89 (0.02)

 < 0.001

FATP (%)

39.40 (0.36)

37.27 (0.36)

35.46 (0.36)

33.17 (0.36)

29.45 (0.36)

 < 0.001

 Left arm

FFM (kg)

2.31 (0.01)

2.24 (0.01)

2.16 (0.01)

2.09 (0.01)

1.99 (0.01)

 < 0.001

FATM (kg)

1.67 (0.02)

1.47 (0.02)

1.32 (0.02)

1.14 (0.02)

0.93 (0.02)

 < 0.001

FATP (%)

40.05 (0.36)

37.95 (0.36)

36.17 (0.36)

33.83 (0.36)

30.15 (0.36)

 < 0.001

 Right leg

FFM (kg)

7.50 (0.03)

7.28 (0.03)

7.09 (0.03)

6.86 (0.03)

6.60 (0.03)

 < 0.001

FATM (kg)

5.69 (0.05)

5.29 (0.05)

4.94 (0.05)

4.55 (0.05)

4.06 (0.05)

 < 0.001

FATP (%)

42.47 (0.21)

41.53 (0.21)

40.49 (0.21)

39.38 (0.21)

37.51 (0.21)

 < 0.001

 Left leg

FFM (kg)

7.42 (0.03)

7.19 (0.03)

7.00 (0.03)

6.77 (0.03)

6.50 (0.03)

 < 0.001

FATM (kg)

5.61 (0.05)

5.23 (0.05)

4.89 (0.05)

4.50 (0.05)

4.02 (0.05)

 < 0.001

FATP (%)

42.41 (0.20)

41.59 (0.20)

40.54 (0.20)

39.40 (0.20)

37.61 (0.20)

 < 0.001

 Trunk

FFM (kg)

25.19 (0.10)

24.78 (0.10)

24.22 (0.10)

23.69 (0.10)

23.05 (0.10)

 < 0.001

FATM (kg)

13.18 (0.18)

11.87 (0.18)

10.98 (0.18)

9.71 (0.18)

8.03 (0.18)

 < 0.001

FATP (%)

33.29 (0.34)

31.49 (0.33)

30.21 (0.33)

28.07 (0.33)

24.68 (0.34)

 < 0.001

 Total body

FFM (kg)

44.67 (0.19)

43.69 (0.19)

42.69 (0.19)

41.47 (0.19)

40.14 (0.19)

 < 0.001

FATM (kg)

27.71 (0.34)

25.24 (0.34)

23.36 (0.33)

20.96 (0.33)

17.90 (0.34)

 < 0.001

FATP (%)

37.31 (0.28)

35.78 (0.28)

34.54 (0.28)

32.74 (0.28)

29.90 (0.28)

 < 0.001

  1. All values are presented as mean and standard error
  2. P-values were obtained using analysis of covariance test in quintiles of total protein intake (g/kg) after adjusting for age, physical activity, and wealth index
  3. The significance level was considered P < 0.05
  4. FFM free fat mass, FATM fat mass, FATP fat percentage