Age: 30-55 history of years, specific cancer, W aspirin use, postmenopausal hormone use, red meat intake Incidence, distal 1.96 (1.18-3.25) 184/ cancer, Ptrend:0.004 distal sites BMI Incidence, proximal colon 1.26 (0.71-2.23) 157/ cancer, proximal Ptrend:0.54 sites ATBC, Mean exposure Nested Case reported only Tangrea, 1997 Control, Age, clinic site, 146/ Incidence, COL00267 Age: 50-69 Cancer registries date of blood colorectal cancer Bowers, 2006 Finland years, drawn COL40699 M, used instead Smokers Age, alcohol HPFS, consumption, Giovannucci, Prospective 203/ Medical records, Incidence, colon energy intake, Supersede by 1995 Cohort, > 29 vs < 1.48 (0.89-2.46) 31 055 National Death cancer, colon family history of Thygesen, 2008 COL00110 Age: 40-75 kg/m2 Ptrend:0.02 6 years Index cancer specific cancer, COL40728 USA years, physical M activity,
Age: 30-55 years, W history of specific cancer, aspirin use, postmenopausal hormone use, red meat intake 184/ Incidence, distal cancer, distal sites 1.96 (1.18-3.25) Ptrend:0.004 BMI 157/ Incidence, proximal colon cancer, proximal sites 1.26 (0.71-2.23) Ptrend:0.54 Tangrea, 1997 COL00267 Finland ATBC, Nested Case Control, Age: 50-69 years, M, Smokers 146/ Cancer registries Incidence, colorectal cancer Age, clinic site, date of blood drawn Mean exposure reported only Bowers, 2006 COL40699 used instead Giovannucci, 1995 COL00110 USA HPFS, Prospective Cohort, Age: 40-75 years, M 203/ 31 055 6 years Medical records, National Death Index Incidence, colon cancer, colon cancer > 29 vs < kg/m2 1.48 (0.89-2.46) Ptrend:0.02 Age, alcohol consumption, energy intake, family history of specific cancer, physical activity, Supersede by Thygesen, 2008 COL40728