Hazard ratios for invasive colorectal cancer (annualized%) by race and ethnicity (Model 1 is adjusted for age and stratified on WHI trial and extension study participation. Model 2 is adjusted for age, education, diabetes, body mass index, physical activity, smoking, alcohol use, NSAID use, total dietary energy, dietary fiber, red meat, fruits and vegetables, total calcium intake, prior colon screening, history of colon polyp removal, family history of colorectal cancer, and prior menopausal hormone use and stratified on WHI trial and extension study participation; Model 2 has a lower Akiaike Information Criteria (AIC) (28994.379) than the AIC for model 1 (37860.387) which indicate a better fit with model 2.)