60 were Computational Questions To answer Questions 18-20, suppose a group of 5000 women in their 30s were identified as

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60 Were Computational Questions To Answer Questions 18 20 Suppose A Group Of 5000 Women In Their 30s Were Identified As 1 (58 KiB) Viewed 127 times

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60 were Computational Questions To answer Questions 18-20, suppose a group of 5000 women in their 30s were identified as having had tuber- culosis during their adolescent years. They were classi- fied as having a chest x-ray (2000) to monitor their dis- case or not having a chest x-ray (3000) to monitor their disease. These women were followed for 40 years to see if those receiving a chest x-ray were more likely to develop breast cancer. Of those receiving a chest X-ray, diagnosed with breast cancer. Of those not receiving a chest x-ray, 65 developed breast cancer. 18. Compute an appropriate measure of association between the exposure and disease and interpret this statistic. 165 Cohon Rish Ratio 19. What is the attributable-risk percent? Interpret your result. 6 0 -0.008 ZOV 20. Estimate the proportion of breast cancer in the pop- ulation that is attributed to the chest x-ray. Interpret your result. a. b. Total inco c. 65 66+6S d.