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Table 4 Total antioxidant capacity intake based on antioxidant indices and ovarian cancer risk

From: Total and individual antioxidant intake and risk of epithelial ovarian cancer

 

Cases (n)

Controls (n)

OR1

95 % CI

OR2

95 % CI

ORAC Database

H-ORAC (umolTE/100 g)

1 (<9,505)

75

128

1.00

 

1.00

 

2 (9,505-15,552)

65

132

0.93

0.58-1.49

0.93

0.55-1.56

3 (>15,553)

65

127

1.01

0.64-1.77

1.19

0.69-2.01

p for trend

   

0.68

 

0.65

L-ORAC (umolTE/100 g)

1 (<275.9)

74

127

1.00

 

1.00

 

2 (275.9-470.4)

73

132

0.87

0.54-1.41

0.83

0.48-1.41

3 (>470.5)

58

128

0.84

0.49-1.44

0.91

0.50-1.64

p for trend

   

0.62

 

0.48

T-ORAC (umolTE/100 g)

1 (<9,760)

74

127

1.00

 

1.00

 

2 (9,760-16,040)

70

133

1.01

0.63-1.61

1.03

0.61-1.72

3 (>16,041)

61

127

0.98

0.58-1.64

1.09

0.62-1.94

p for trend

   

0.95

 

0.96

Total phenolics (mgGAE/100 g)

1 (<1,315)

85

131

1.00

 

1.00

 

2 (1,315-2,180)

64

134

0.88

0.55-1.40

1.13

0.68-1.88

3 (>2,181)

56

130

0.84

0.50-1.41

0.88

0.49-1.59

p for trend

   

0.66

 

0.54

FRAP (umolTE/100 g)

1 (<3,951)

52

127

1.00

 

1.00

 

2 (3,951-6,482)

82

133

0.81

0.51-1.31

0.92

0.55-1.53

3 (>6,483)

71

127

1.00

0.61-1.65

1.07

0.62-1.86

p for trend

   

0.36

 

0.66

FRAP with supplements (umolTE/100 g)

1 (<6,261)

52

127

1.00

 

1.00

 

2 (6,261-14,110)

81

133

1.20

0.79-2.06

1.18

0.65-2.14

3 (>14,111)

72

127

1.15

0.63-2.08

1.27

0.66-2.43

p for trend

   

0.52

 

0.65

  1. ORAC: Oxygen radical absorbance capacity; H-ORAC: Hydrophilic oxygen radical absorbance capacity; L-ORAC: Lipophilic oxygen radical absorbance capacity; T-ORAC: Total oxygen radical absorbance capacity; TE: Trolox equivalents;GAE: gallic acid equivalents; OR: Odds Ratio; CI: Confidence interval.
  2. OR1: adjusted for age (continuous), education, race, age at menarche (continuous), menopausal status and age at menopause for postmenopausal women, parity, OC use, HRT use, BMI (continuous), tubal ligation, antioxidant supplement intake, and total calories; OR2: further adjusted for physical activity (METs), and smoking status.