Case-control |
– |
– |
– |
1,723 (Colon), 3,097 (Control) |
Multiple vitamins |
>5 years versus nerver or <1 year |
Women-Colon cancer: 0.7 (0.4–1.3), p=0.03 |
Ref (85) |
B-complex vitamins |
Women-Colon cancer: 0.4 (0.2–0.7), p=0.0005 |
Vitamin E |
Women-Colon cancer: 0.6 (0.4–0.9), p=0.002 |
Calcium |
Women-Colon cancer: 0.4 (0.3–0.6), p<0.0001 |
Iron |
Women-Colon cancer: 0.6 (0.4–1.0), p=0.03 |
Zinc |
Women-Colon cancer: 0.4 (0.2–0.9), p=0.03 |
Case-control |
– |
– |
– |
2,349 (CRC), 4,168 (Control) |
Vitamin B6 |
>5 mg/day versus <1 mg/day |
Women-Rectal cancer: 3.57 (1.56–8.17), p=0.01 |
Ref (88) |
DCH |
56,332 men and women |
50–64 |
1993–2009 |
465 (Colon), 283 (Rectum) |
Dietary folate |
– |
CRC: 0.83 (0.57–1.21), p=0.04 |
Ref (89) |
Supplemental folate |
– |
CRC: 0.83(0.58–1.20), p=0.76 |