Table 3

Adjusted odds ratiosa and 95% confidence intervals for dichotomized dietary intakeb by family history category

Sporadic or familial family history (n = 90)

Hereditary family history (n = 67)


Median (g)

Odds ratio (95% confidence interval)

Median (g)

Odds ratio (95% confidence interval)


Protein

∘ Low

76.2

1.0

77.6

1.0

∘ High

93.5

3.0 (1.3–6.9)

91.0

0.4 (0.1–1.4)

P value for interactionc

<0.001

Animal protein

∘ Low

51.6

1.0

49.0

1.0

∘ High

66.4

4.3 (1.8–10.3)

69.6

0.5 (0.1–1.5)

P value for interaction

<0.001


aModels adjusted for age, body mass index, caloric intake, age at menarche, menopausal status, hormone therapy use, and vitamin D intake. bDichotomized at median value. cP value for interaction was obtained by including in the model of a dichotomized dietary variable x family history category interaction term.

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

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