You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Community physician takes action based on - and explain in detail?
Attributable risk is defined as the difference in incidence rates of disease between an exposed group and nonexposed group. It is often expressed in percent. Attributable risk indicates to what extent the disease under study can be attributed to the exposure (refer pgno:78 park 23 rd edition)