Physicians salad intake, study Lin, 2009 WACS, 44/ Multiple Incidence, Age, alcohol COL41000 Randomised 7 627 methods colorectal cancer consumption, vitamin e vs USA Control 9.4 years 0.63 (0.34-1.15) BMI, smoking placebo Age: 40- years, status, treatment W allocation Lee, 2005 WHS, 214/ Self-reported Questionnaire Incidence, colon COL40761 Randomised 39 876 and National cancer Age, intervention vs USA Control 10.1 years Death Index 1.00 (0.77-1.31) randomization placebo Age: 45- group W Albanes, 2000 ATBC, 135/ Cancer registry Diet history Mortality, intervention vs COL01969 Randomised 29 133 and questionnaire colorectal cancer 0.92 (0.51-1.64) Intervention no intervention Finland Control 6.1 certificates group, age, Age: 50-69 BMI, and serum 66/ Incidence, years, intervention vs cholesterol colorectal cancer 0.79 (0.48-1.28) M, placebo Smokers
Physicians salad intake, study Lin, 2009 COL41000 USA WACS, Randomised Control Age: 40- years, W 44/ 7 627 9.4 years Multiple methods Incidence, colorectal cancer vitamin e vs placebo 0.63 (0.34-1.15) Age, alcohol consumption, BMI, smoking status, treatment allocation Lee, 2005 COL40761 USA WHS, Randomised Control Age: 45- W 214/ 39 876 10.1 years Self-reported and National Death Index Questionnaire Incidence, colon cancer intervention vs placebo 1.00 (0.77-1.31) Age, randomization group Albanes, 2000 COL01969 Finland ATBC, Randomised Control Age: 50-69 years, M, Smokers 135/ 29 133 6.1 Cancer registry and certificates Diet history questionnaire Mortality, colorectal cancer intervention vs no intervention 0.92 (0.51-1.64) Intervention group, age, BMI, and serum cholesterol 66/ Incidence, colorectal cancer intervention vs placebo 0.79 (0.48-1.28)