Relative risk (95% CI) of postmenopausal breast cancer according to quintiles of energy-adjusted Mate by intake of energy-adjusted vitamin B12
Relative risk (95% CI) of postmenopausal breast cancer according to quintiles of energy-adjusted Mate by intake of energy-adjusted vitamin B12
Median intakea | Tertiles of energy-adjusted vitamin B12 intake
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1
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2
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3
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4.2 μg/day | 6.7 μg/day | 11.6 μg/day | |||||||
Quintiles of folate intake | Cases | Age-adjusted | Multivariateb | Cases | Age-adjusted | Multivariateb | Cases | Age-adjusted | Multivariateb |
1 | 180 | 1.00 | 1.00 | 135 | 1.00 | 1.00 | 80 | 1.00 | 1.00 |
2 | 138 | 0.96(0.77–1.20) | 0.92(0.74–1.15) | 134 | 0.90(0.71–1.14) | 0.90(0.71–1.14) | 83 | 0.63 (0.47–0.86) | 0.62 (0.45–0.84) |
3 | 97 | 0.77 (0.60–0.99) | 0.75 (0.59–0.97) | 155 | 1.04(0.82–1.31) | 1.02(0.81–1.29) | 114 | 0.66 (0.49–0.88) | 0.64 (0.48–0.86) |
4 | 107 | 0.96(0.75–1.22) | 0.92(0.72–1.18) | 104 | 0.76 (0.59–0.98) | 0.75 (0.58–0.97) | 136 | 0.62 (0.47–0.82) | 0.62 (0.47–0.82) |
5 | 79 | 0.92(0.70–1.20) | 0.92(0.70–1.20) | 87 | 0.75 (0.57–0.98) | 0.73 (0.56–0.97) | 183 | 0.62 (0.47–0.80) | 0.62 (0.47–0.81) |
p-value trend | 0.46 | 0.44 | 0.01 | 0.01 | 0.01 | 0.02 |