Question

The Black Women's Health Study, a study of risk factors for coronary heart disease in African American women, consisted of 352 women who reported having had a heart attack (cases), who were matched on age with 1760 controls (Am J Epi 1999; 150:904-909). The following data summarize some of the findings.

History of Heart Attack in a Parent	Case	Control	Total
No	169	1082	1251
Yes: at age 50+	91	329	420
Yes: before age 50	53	106	159
Total	313	1517	1830

1) In the BWHS, the odds of having a parental history of heart attack at any age for cases is:

2) In the BWHS, the Odds Ratio of having a parental history of heart attack at any age for cases compared to controls is:

3)In the BWHS, a 99% Confidence Interval for the true population Odds Ratio of parental history of heart attack at any age for cases as compared to controls is:

Answer 1