This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Community physician takes action based On- \nSelect and explain. \nA. Population attributable risk, B. Relative risk, C. Attributable risk, D. Odds ratio', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Population attributable risk o The concept of population attributable risk is useful in that it provides an estimate of the amount by which disease could be reduced in that population, if the suspected factor is modified or eliminated. o So, population attributable risk gives a better idea than does relative risk of the impact of successful preventive or public health programme might have in reducing the problem. o Population attributable risk is broader and better than attributable risk.", 'role': 'assistant'}]