Gce Model Questions Vol1 2018 Biology Question 24

Practice objective / multiple choice question 24 from the 2018 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2018 Biology Objective / Multiple Choice Hard Difficulty
Question 24 GCE_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • objective

In a case‑control study of lung disease, 2000 participants were classified by smoking status and disease outcome as follows: - Smokers: 800 individuals, 120 developed lung disease. - Non‑smokers: 1200 individuals, 30 developed lung disease. (a) Calculate the relative risk (RR) of lung disease for smokers compared with non‑smokers. (b) Determine the attributable risk percent (AR%) among smokers. (c) Compute the population attributable fraction (PAF) for the whole study population. Present your answers to two decimal places where appropriate.

Answer Options

A. RR = 4.50; AR% = 77.78 %; PAF = 55.56 %.
Correct Answer B. RR = 6.00; AR% = 83.33 %; PAF = 66.67 %.
C. RR = 5.00; AR% = 80.00 %; PAF = 60.00 %.
D. RR = 6.00; AR% = 75.00 %; PAF = 70.00 %.
Correct Answer
B
Correct Option:
RR = 6.00; AR% = 83.33 %; PAF = 66.67 %.

About This Question

This is Gce Model Questions Vol1 2018 Biology Question 24. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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