Table 6 Association between quintile of dietary pattern scores and breast cancer risk by ER and PR status of the tumor

From: Dietary patterns and risk of breast cancer

  

By ER status

By PR status

  

Positive

Negative

 

Positive

Negative

 

Dietary patterns

Quintiles

No. of cases

HR (95% CI)

No. of cases

HR (95% CI)

P a

No. of cases

HR (95% CI)

No. of cases

HR (95% CI)

P a

Vegetable

1

101

Reference

35

Reference

0.41

82

Reference

53

Reference

0.39

 

2

102

0.94 (0.70, 1.25)

43

1.02 (0.64, 1.63)

 

73

0.85 (0.61, 1.18)

72

1.14 (0.79, 1.64)

 
 

3

119

1.04 (0.78, 1.38)

43

0.99 (0.63, 1.58)

 

91

1.03 (0.74, 1.42)

71

1.05 (0.72, 1.52)

 
 

4

136

1.17 (0.88, 1.56)

42

0.94 (0.58, 1.51)

 

93

1.06 (0.76, 1.48)

84

1.19 (0.82, 1.71)

 
 

5

117

1.04 (0.75, 1.43)

39

0.92 (0.55, 1.55)

 

87

1.06 (0.74, 1.53)

69

0.98 (0.64, 1.48)

 
 

P-trend

 

0.6

 

0.53

  

0.47

 

0.61

 

Fruit and salad

1

120

Reference

45

Reference

0.03

86

Reference

80

Reference

0.08

 

2

127

1.01 (0.78, 1.30)

53

1.14 (0.76, 1.69)

 

89

0.99 (0.73, 1.34)

91

1.08 (0.80, 1.46)

 
 

3

111

0.87 (0.67, 1.14)

44

0.94 (0.61, 1.44)

 

88

0.98 (0.72, 1.33)

67

0.78 (0.56, 1.09)

 
 

4

111

0.91 (0.69, 1.19)

34

0.73 (0.46, 1.14)

 

86

0.99 (0.72, 1.35)

58

0.70 (0.49, 0.99)

 
 

5

106

0.92 (0.69, 1.22)

26

0.55 (0.32, 0.93)

 

77

0.92 (0.66, 1.28)

53

0.67 (0.46, 0.98)

 
 

P-trend

 

0.47

 

0.004

  

0.58

 

0.01

 

Traditional Australian

1

84

Reference

24

Reference

0.66

69

Reference

36

Reference

0.41

 

2

111

1.24 (0.90, 1.71)

42

1.63 (0.85, 3.12)

 

83

1.22 (0.85, 1.76)

70

1.62 (0.98, 2.66)

 
 

3

115

1.21 (0.86, 1.70)

39

1.41 (0.71, 2.81)

 

85

1.28 (0.86, 1.89)

70

1.38 (0.83, 2.32)

 
 

4

139

1.42 (0.99, 2.03)

55

1.97 (0.98, 3.96)

 

99

1.52 (1.00, 2.32)

95

1.73 (1.03, 2.92)

 
 

5

126

1.19 (0.81, 1.74)

42

1.51 (0.69, 3.33)

 

90

1.40 (0.89, 2.19)

78

1.25 (0.71, 2.21)

 
 

P-trend

 

0.39

 

0.34

  

0.11

 

0.73

 

Meat

1

116

Reference

39

Reference

0.20

86

Reference

69

Reference

0.96

 

2

114

1.03 (0.79, 1.34)

38

0.91 (0.58, 1.43)

 

89

1.07 (0.79, 1.45)

63

0.91 (0.64, 1.28)

 
 

3

112

1.05 (0.80, 1.37)

47

1.09 (0.70, 1.71)

 

89

1.09 (0.80, 1.48)

70

1.03 (0.73, 1.45)

 
 

4

125

1.23 (0.93, 1.62)

40

0.91 (0.56, 1.48)

 

85

1.10 (0.79, 1.53)

81

1.20 (0.84, 1.71)

 
 

5

108

1.21 (0.88, 1.66)

38

0.86 (0.50, 1.47)

 

77

1.13 (0.78, 1.64)

66

1.04 (0.69, 1.55)

 
 

P-trend

 

0.19

 

0.48

  

0.60

 

0.69

 
  1. Abbreviations: ER=oestrogen receptor; PR=progesterone receptor; HRT=hormone replacement therapy.
  2. Estimates from the model including four factor scores, adjusted for country of birth, age at menarche, parity, duration of lactation, oral contraceptive use, HRT use, menopausal status at baseline, physical activity, alcohol, smoking, level of education, total energy intake and BMI.
  3. aTest for homogeneity by ER or PR status.
Back to article page