Skip to main content

Table 1 Baseline characteristics and dietary intakes of participants according to tertiles of the total protein intake

From: A prospective study on total protein, plant protein and animal protein in relation to the risk of incident chronic kidney disease

characteristics

Tertiles of the total protein

 

T1(n = 544)

T2(n = 542)

T3(n = 544)

P for trend

Age (years)

43.3 ± 11.3

42.8 ± 10.9

42.4 ± 11.4

0.868

Male (%)

44.3%

47.2%

57.0%

<  0.001

Body mass index (kg/m 2)

27.4 ± 4.5

27.6 ± 4.7

27.8 ± 4.4

0.595

Current smoker (%)

9.6%

11.3%

10.5%

0.620

Low physical activity (%)

68.2%

65.2%

67.1%

0.664

Fasting blood sugar (mg/dl)

91.2 ± 21.1

92.4 ± 22.3

93.5 ± 23.1

0.215

Systolic blood pressure (mm Hg)

111.7 ± 15.5

112.1 ± 16.7

113.4 ± 16.2

0.379

Diastolic blood pressure (mm Hg)

74.0 ± 10.1

74.1 ± 11.2

74.6 ± 10.5

0.352

Triglyceride (mg/dL)

129.0 (91.0–183.7)

127.5 (86.0–184.2)

134.0 (94.0–201.0)

0.361

eGFR (ml/min/1.73 m 2)

73.2 ± 8.2

73.9 ± 9.1

73.9 ± 8.5

0.380

Cr (mg/dL)

1.02 ± 0.13

1.02 ± 0.14

1.05 ± 0.14

0.339

Diabetes (%)

8.6%

7.9%

7.9%

0.658

Hypertension (%)

13.2%

11.8%

12.5%

0.714

Daily intakes

 Total energy (Kcal)

1621 ± 364

2224 ± 443

3111 ± 745

<  0.001

 Total protein (%energy)

12.75 ± 2.16

13.68 ± 2.14

14.75 ± 2.50

<  0.001

 Total protein (gr)

50.36 ± 9.83

74.23 ± 6.43

114.44 ± 29.42

<  0.001

 Animal protein (gr/1000 kcal)

16.2 ± 5.9

18.5 ± 6.0

20.9 ± 8.1

<  0.001

 Animal protein (gr)

25.43 ± 8.33

39.43 ± 9.18

63.05 ± 26.65

<  0.001

 Plant protein (gr/1000 kcal)

15.5 ± 3.6

15.8 ± 3.7

16.5 ± 4.9

<  0.001

 Plant protein (gr)

24.92 ± 7.42

34.79 ± 8.99

51.38 ± 21.18

<  0.001

 Total fiber (gr/1000 kcal)

16.1 ± 6.9

17.01 ± 6.7

17.5 ± 6.9

0.224

 Carbohydrate (%energy)

58.1 ± 7.6

57.6 ± 6.8

57.5 ± 7.3

0.048

 Total fat (%energy)

31. ± 7.7

31.4 ± 6.9

30.5 ± 6.5

0.023