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Table 2 Adjusted odds ratiosa and 95% confidence intervals by tertile of nutrient intake (n = 157)

From: Dietary intake and breast density in high-risk women: a cross-sectional study

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

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