Gce Model Questions Vol1 2019 Biology Question 38

Practice objective / multiple choice question 38 from the 2019 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2019 Biology Objective / Multiple Choice Hard Difficulty
Question 38 GCE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

A community study investigates the link between exposure to a pollutant and asthma. Among 2000 exposed individuals, 260 develop asthma. Among 3000 non‑exposed individuals, 180 develop asthma. Calculate (a) the relative risk, (b) the odds ratio, (c) the attributable risk percent among the exposed, and (d) the population attributable fraction. Give all answers to two decimal places where appropriate.

Answer Options

Correct Answer A. RR = 2.17; OR = 2.34; Attributable risk % among exposed = 53.85 %; Population attributable fraction = 31.83 %.
B. RR = 1.95; OR = 2.10; Attributable risk % among exposed = 45.00 %; Population attributable fraction = 26.00 %.
C. RR = 2.05; OR = 2.20; Attributable risk % among exposed = 48.00 %; Population attributable fraction = 28.50 %.
D. RR = 2.30; OR = 2.50; Attributable risk % among exposed = 56.70 %; Population attributable fraction = 34.10 %.
Correct Answer
A
Correct Option:
RR = 2.17; OR = 2.34; Attributable risk % among exposed = 53.85 %; Population attributable fraction = 31.83 %.

About This Question

This is Gce Model Questions Vol1 2019 Biology Question 38. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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