Table 1

Characteristics of subjects with colorectal adenoma and controls

Colorectal adenoma cases (n = 458)Controls (n = 504)
Gender
 Male296 (67.1%)338 (64.6%)
 Female162 (32.9%)166 (35.4%)
Ethnicity
 Non-Hispanic white256 (55.9%)273 (54.2%)
 African-American77 (16.8%)85 (16.9%)
 Hispanic white80 (17.5%)91 (18.1%)
 Asian/Pacific Islander45 (9.8%)55 (10.9%)
Mean age (SD)62.0 (6.81)62.0 (6.77)