colon cancer? 1 = less likely (51%); 2 = about as likely (35%); 3 = more likely (14%)1.630.71Cancer worryHow often do you worry about getting colon cancer? 1 = rarely or never (71%); 2 = sometimes (25%); 3 = all the time and often (4%)1.330.55Cancer historyHave any of your brothers, sisters, parents, children, or other close family members ever had cancer? 1 = yes (66%); 0 = no (34%)0.660.47Educa