This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Sickness absenteeism is an useful index to assess \nSelect and explain. \nA. State of health of workers, B. Worker management relationship, C. Working environment, D. Sincerity of workers', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sickness absenteeism occurs when employees miss work for reasons stemming from health problems. The rate of sickness absenteeism is linked to the overall health of the workforce and also to specific factors in each individual profession. Ref : Park 23rd edition Pgno : 810', 'role': 'assistant'}]