From: Coffee consumption modifies risk of estrogen-receptor negative breast cancer
Type of breast cancer | Daily coffee consumption | Controls/Cases | ORa | 95% CI | ORbc | 95% CI | ||
---|---|---|---|---|---|---|---|---|
All | ≤ 1 cup | 270/298 | 1.00 | reference | 1.00 | reference | ||
> 1 to 3 cups | 1,171/,277 | 1.00 | 0.83 | 1.20 | 1.01 | 0.84 | 1.23 | |
> 3 to 5 cups | 846/904 | 0.96 | 0.79 | 1.16 | 1.00 | 0.82 | 1.22 | |
> 5 cups | 363/328 | 0.80 | 0.64 | 0.99 | 0.84 | 0.66 | 1.06 | |
P trend | 0.028 | 0.127 | ||||||
ER-positive | ≤ 1 cup | 270/161 | 1.00 | reference | 1.00 | reference | ||
> 1 to 3 cups | 1,171/685 | 0.99 | 0.80 | 1.23 | 1.03 | 0.82 | 1.30 | |
> 3 to 5 cups | 846/501 | 0.99 | 0.79 | 1.23 | 1.07 | 0.84 | 1.36 | |
> 5 cups | 363/169 | 0.77 | 0.59 | 1.00 | 0.87 | 0.65 | 1.15 | |
P trend | 0.065 | 0.471 | ||||||
ER-negative | ≤ 1 cup | 270/48 | 1.00 | reference | 1.00 | reference | ||
> 1 to 3 cups | 1,171/148 | 0.74 | 0.52 | 1.05 | 0.77 | 0.53 | 1.11 | |
> 3 to 5 cups | 846/92 | 0.58 | 0.40 | 0.85 | 0.60 | 0.40 | 0.89 | |
> 5 cups | 363/31 | 0.44 | 0.27 | 0.71 | 0.43 | 0.25 | 0.72 | |
P trend | 0.0002 | 0.0003 | ||||||
PR-positive | ≤ 1 cup | 270/135 | 1.00 | reference | 1.00 | reference | ||
> 1 to 3 cups | 1,171/603 | 1.04 | 0.83 | 1.31 | 1.05 | 0.83 | 1.34 | |
> 3 to 5 cups | 846/434 | 1.01 | 0.80 | 1.29 | 1.09 | 0.85 | 1.40 | |
> 5 cups | 363/144 | 0.77 | 0.58 | 1.02 | 0.84 | 0.62 | 1.13 | |
P trend | 0.055 | 0.360 | ||||||
PR-negative | ≤ 1 cup | 270/66 | 1.00 | reference | 1.00 | reference | ||
> 1 to 3 cups | 1,171/212 | 0.75 | 0.55 | 1.02 | 0.85 | 0.61 | 1.17 | |
> 3 to 5 cups | 846/150 | 0.71 | 0.52 | 0.98 | 0.75 | 0.53 | 1.05 | |
> 5 cups | 363/55 | 0.59 | 0.40 | 0.88 | 0.67 | 0.44 | 1.01 | |
P trend | 0.014 | 0.034 |