Epi practice_excercises 2

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School

Southern New Hampshire University *

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Course

320

Subject

Medicine

Date

Apr 3, 2024

Type

pptx

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Uploaded by BaronViperPerson605 on coursehero.com

Practice Questions

Results of a case-control study to examine the effect of a smoking on coronary heart disease (CHD) are presented in the table below. What is the attributable risk? Q10 CHD No CHD Total Smoking 120 80 200 No smoking 40 160 200 Total 200 200 400 A. (120/200) - (80 /200) B. (120/200) - (40 /200) C. (80/200 ) – (160/200) D. (120x160)/(40x80) E. (40x80) / (120x160) F. Cannot be determined for this type of study

Results of a case-control study to examine the effect of a smoking on coronary heart disease (CHD) are presented in the table below. What is the attributable risk? A10 A. (120/200) - (80 /200) B. (120/200) - (40 /200) C. (80/200 ) – (160/200) D. (120x160)/(40x80) E. (40x80) / (120x160) F. Cannot be determined for this type of study CHD No CHD Total Smoking 120 80 200 No smoking 40 160 200 Total 200 200 400

Relative risk for lung cancer in smoker? A. 3 B. 6 C. 8 D. 10 E. 12 Nonsmokers Smokers Incidence of lung cancer per 100,000 12 120 60% of the total population are smokers. Q11

Relative risk = 120 / 12 = 10 Nonsmokers Smokers Incidence of lung cancer per 100,000 12 120 60% of the total population are smokers. A11 A. 3 B. 6 C. 8 D. 10 E. 12

Attributable risk for cancer in smokers? A. 10 B. 12 C. 108 D. 120 E. 132 Nonsmokers Smokers Incidence of lung cancer per 100,000 12 120 60% of the total population are smokers. Q12

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