Table 2 Multivariable-adjusted COX regression (95 % CIs) for incidence of chronic kidney disease according to quartiles of the total polyphenols and its subgroups

Total Polyphenols

 Median (mg/d)

737

1201

1717

2682

 Cases/ total

84/514

95/513

83/514

93/513

 Model 1

1

1.20 (0.90–1.62)

1.00 (0.73–1.35)

1.15 (0.85–1.54)

0.615

 Model 2

1

1.20 (0.87–1.66)

0.92 (0.65–1.31)

0.99 (0.69–1.43)

0.598

 Model 3

1

1.12 (0.81–1.55)

0.90 (0.63–1.28)

0.97 (0.67–1.40)

0.624

Flavonoids

 Median (mg/d)

33.11

55.85

82.65

125.47

 Cases/ total

83/514

86/513

93/514

93/513

 Model 1

1

1.08 (0.80–1.47)

1.13 (0.84–1.53)

1.14 (0.85–1.53)

0.401

 Model 2

1

1.13 (0.81–1.57)

1.03 (0.74–1.44)

1.05 (0.73–1.52)

0.957

 Model 3

1

1.12 (0.80–1.57)

1.09 (0.78–1.52)

1.07 (0.74–1.55)

Phenolic acids

 Median (mg/d)

37.21

61.71

92.21

163.62

 Cases/ total

85/514

91/513

86/514

93/513

 Model 1

1

1.09 (0.81–1.47)

1.03 (0.76–1.39)

1.11 (0.83–1.49)

0.587

 Model 2

1

1.15 (0.83–1.58)

1.14 (0.82–1.60)

1.15 (0.80–1.64)

0.583

 Model 3

1

1.14 (0.82–1.58)

1.13 (0.81–1.59)

1.14 (0.79–1.64)

0.600

Lignans

 Median (mg/d)

1.14

2.65

4.98

11.13

 Cases/ total

102/514

70/513

80/514

103/513

 Model 1

1

0.63 (0.47–0.86)

0.75 (0.56- 1.00)

0.98 (0.74–1.28)

 Model 2

1

0.66 (0.47–0.92)

0.70 (0.50–0.97)

1.06 (0.77–1.45)

0.089

 Model 3

1

0.66 (0.47–0.94)

0.69 (0.49–0.97)

1.10 (0.80–1.52)

0.049

Stilbens

 Median (mg/d)

0.05

0.16

0.28

0.70

 Cases/ total

110/514

95/514

77/513

73/513

 Model 1

1

0.85 (0.65–1.12)

0.66 (0.49–0.88)

0.64 (0.48–0.87)

0.005

 Model 2

1

1.16 (0.86–1.56)

0.99 (0.71–1.37)

1.10 (0.78–1.55)

0.779

 Model 3

1

1.19 (0.87–1.62)

1.02 (0.73–1.42)

1.13 (0.80–1.61)

0.672