This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
Population attributable risk is defined as the difference between: 
Select and explain. 
A. Incidence in exposed and incidence in non-exposed compared with incidence in non-exposed, B. Incidence in population and incidence in exposed compared with incidence in population, C. Incidence in population and incidence in non-exposed compared with incidence in population, D. Incidence in population and incidence in exposed compared with incidence in non-exposed
C: Incidence in population and incidence in non-exposed compared with incidence in population
Answer: C: Incidence in population and incidence in non-exposed compared with incidence in population 
Explanation: population attributable risk is defined as the difference between incidence in population and incidence in non-exposed compared with incidence in population Ref: Park 24th edition