Table 2

Adjusted odds ratiosa and 95% confidence intervals by tertile of nutrient intake (n = 157)

Nutrient
Tertile 1
Tertile 2
Tertile 3
Trend P valueb

Energy (kcal)




     ∘ Median per day
1,357
1,807
2,444

     ∘ Odds ratio (95% confidence interval)
1.0
1.6 (0.7–3.3)
0.9 (0.4–2.0)
0.79
Total fat (g)




     ∘ Median per day
55.5
60.8
73.1

     ∘ Odds ratio (95% confidence interval)
1.0
1.9 (0.9–4.2)
1.5 (0.7–3.1)
0.33
Saturated fat (g)




     ∘ Median per day
18.7
22.4
27.2

     ∘ Odds ratio (95% confidence interval)
1.0
0.9 (0.4–1.9)
0.9 (0.4–1.9)
0.70
Cholesterol (mg)




     ∘ Median per day
200
221
305

     ∘ Odds ratio (95% confidence interval)
1.0
1.6 (0.7–3.6)
1.2 (0.5–2.7)
0.72
Protein (g)




     ∘ Median per day
76.0
76.0
93.4

     ∘ Odds ratio (95% confidence interval)
1.0
1.0 (0.5–2.2)
0.9 (0.4–2.0)
0.87
Animal protein (g)




     ∘ Median per day
49.0
51.0
68.4

     ∘ Odds ratio (95% confidence interval)
1.0
1.0 (0.5–2.3)
1.1 (0.5–2.3)
0.87
Carbohydrates (g)




     ∘ Median per day
174.0
228.5
304.6

     ∘ Odds ratio (95% confidence interval)
1.0
0.7 (0.3–1.5)
0.9 (0.4–1.9)
0.79
Fiber (mg)




     ∘ Median per day
12.4
18.5
27.2

     ∘ Odds ratio (95% confidence interval)
1.0
0.5 (0.2–1.1)
0.7 (0.3–1.5)
0.57
Carotene (IU)




     ∘ Median per day
4,969
8,621
17,714

     ∘ Odds ratio (95% confidence interval)
1.0
0.5 (0.3–1.2)
0.7 (0.3–1.5)
0.51
Folate (mcg)




     ∘ Median per day
344
650
943

     ∘ Odds ratio (95% confidence interval)
1.0
0.7 (0.3–1.5)
0.5 (0.2–1.1)
0.09
Calcium (mg)




     ∘ Median per day
766
1,271
1,871

     ∘ Odds ratio (95% confidence interval)
1.0
1.4 (0.6–3.0)
1.0 (0.5–2.1)
0.83
Vitamin D (IU)




     ∘ Median per day
164
463
737

     ∘ Odds ratio (95% confidence interval)
1.0
0.7 (0.3–1.5)
0.5 (0.2–1.0)
0.05
Vitamin E (mg)




     ∘ Median per day
6.8
40.9
436.4

     ∘ Odds ratio (95% confidence interval)
1.0
0.4 (0.2–1.0)
0.6 (0.3–1.2)
0.37

aModels adjusted for age, body mass index, caloric intake, age at menarche, menopausal status, hormone therapy use, and family history category. bP value for trend obtained by including in the model a variable representing the median value for each tertile.

Tseng et al. Breast Cancer Research 2007 9:R72   doi:10.1186/bcr1781