Question

5. Random samples of healthy African-American and Caucasian males were followed up for incidence of prostate cancer for many years. The following table gives the number of individuals who developed prostate cancer after age 7o. Develop prostate cancer yes | noー!Total African American 430 14-44 Caucasian Total (a) Find the risk estimate for the African American to develop prostate cancer. X (b) Find the risk estimate for the Caucasian group to develop prostate cancer X (c) Find the risk ratio for the African American to develop prostate cancer relative to the Caucasiand 1016 e 36 1460 of the same age agroup. (d) Find the adsrati9ntimate for theAfricanAmericanr ales elative totheCaucasians-レ/5 (e) Find the 9S%confidence interval for the odds ratio in the population using the estimate in (d) (f) What is the odds ratio of the Caucasian males not developing prostate cancer compared to African American males, not developing prostate cancer, of the same age group?

Answer 1

>Given A R ples of healthy African-AmeTicaก and Cavca sian males weze felcused up for incidence p andom Sam Prestale Canas for many years hat is the isk of cavcasian males to develop Prostate Cancer Risk of Cavcasian males to develop postate cane s otal no of Cavcasian males ho developed Cancer Total mo of Cavasian males 16 37-593 ะ 31.5% b) what is the ซ¡sh of African fre rican males to develop ostale aces? .Risk of African tmerican malks to develop prostate cances vican Ameritan males who develoged Gner Total Total no. of African AmeTican males

30 0 6g18 what is the zisk of the Afaican Amezicans males to develop Prostate Canes Compared to he cauca sian males ·Risk atio: Risk of African American males Risk of Cavca Sian males 6l16 dh what is the odds for Afican Amevicans males to develep preslate antes olds o Afvican Anmesican males to develop prostafe canced Probabiity that uiu develop canter probability that loill not develop ance γ 14 143